Home / 30,538,570-42,142,328.04-17,485,396.24

Finding the Fourth Proportional to 30,538,570, 42,142,328.04 and 17,485,396.24

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Solution

The fourth proportional to 30,538,570, 42,142,328.04 and 17,485,396.24 is: 24,129,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,538,570 : 42,142,328.04 = 17,485,396.24 : x
  2. Step 2: Convert to fraction form
    30,538,570/42,142,328.04 = 17,485,396.24/x
  3. Step 3: Cross multiply
    30,538,570x = 42,142,328.04 × 17,485,396.24
  4. Step 4: Simplify right side
    30,538,570x = 736,875,304,255,462.50
  5. Step 5: Solve for x
    x = 736,875,304,255,462.50/30,538,570
  6. Step 6: Final answer
    x = 24,129,332.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.