Home / 30,905.22-42,646.52-17,477.04

Finding the Fourth Proportional to 30,905.22, 42,646.52 and 17,477.04

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Solution

The fourth proportional to 30,905.22, 42,646.52 and 17,477.04 is: 24,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,905.22 : 42,646.52 = 17,477.04 : x
  2. Step 2: Convert to fraction form
    30,905.22/42,646.52 = 17,477.04/x
  3. Step 3: Cross multiply
    30,905.22x = 42,646.52 × 17,477.04
  4. Step 4: Simplify right side
    30,905.22x = 745,334,935.90
  5. Step 5: Solve for x
    x = 745,334,935.90/30,905.22
  6. Step 6: Final answer
    x = 24,116.80

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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.