Home / 42,066.02-63,085.38-13,978.54

Finding the Fourth Proportional to 42,066.02, 63,085.38 and 13,978.54

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Solution

The fourth proportional to 42,066.02, 63,085.38 and 13,978.54 is: 20,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,066.02 : 63,085.38 = 13,978.54 : x
  2. Step 2: Convert to fraction form
    42,066.02/63,085.38 = 13,978.54/x
  3. Step 3: Cross multiply
    42,066.02x = 63,085.38 × 13,978.54
  4. Step 4: Simplify right side
    42,066.02x = 881,841,192.32
  5. Step 5: Solve for x
    x = 881,841,192.32/42,066.02
  6. Step 6: Final answer
    x = 20,963.27

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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.