Home / 42,403.36-63,605.04-14,323.49

Finding the Fourth Proportional to 42,403.36, 63,605.04 and 14,323.49

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Solution

The fourth proportional to 42,403.36, 63,605.04 and 14,323.49 is: 21,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,403.36 : 63,605.04 = 14,323.49 : x
  2. Step 2: Convert to fraction form
    42,403.36/63,605.04 = 14,323.49/x
  3. Step 3: Cross multiply
    42,403.36x = 63,605.04 × 14,323.49
  4. Step 4: Simplify right side
    42,403.36x = 911,046,154.39
  5. Step 5: Solve for x
    x = 911,046,154.39/42,403.36
  6. Step 6: Final answer
    x = 21,485.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.