Home / 42,295.08-63,444.24-20,097.12

Finding the Fourth Proportional to 42,295.08, 63,444.24 and 20,097.12

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Solution

The fourth proportional to 42,295.08, 63,444.24 and 20,097.12 is: 30,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,295.08 : 63,444.24 = 20,097.12 : x
  2. Step 2: Convert to fraction form
    42,295.08/63,444.24 = 20,097.12/x
  3. Step 3: Cross multiply
    42,295.08x = 63,444.24 × 20,097.12
  4. Step 4: Simplify right side
    42,295.08x = 1,275,046,504.59
  5. Step 5: Solve for x
    x = 1,275,046,504.59/42,295.08
  6. Step 6: Final answer
    x = 30,146.45

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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.