Home / 42,431.40-63,681.66-22,448.16

Finding the Fourth Proportional to 42,431.40, 63,681.66 and 22,448.16

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Solution

The fourth proportional to 42,431.40, 63,681.66 and 22,448.16 is: 33,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431.40 : 63,681.66 = 22,448.16 : x
  2. Step 2: Convert to fraction form
    42,431.40/63,681.66 = 22,448.16/x
  3. Step 3: Cross multiply
    42,431.40x = 63,681.66 × 22,448.16
  4. Step 4: Simplify right side
    42,431.40x = 1,429,536,092.75
  5. Step 5: Solve for x
    x = 1,429,536,092.75/42,431.40
  6. Step 6: Final answer
    x = 33,690.52

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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.