Home / 42,229.02-63,343.47-20,030.28

Finding the Fourth Proportional to 42,229.02, 63,343.47 and 20,030.28

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Solution

The fourth proportional to 42,229.02, 63,343.47 and 20,030.28 is: 30,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,229.02 : 63,343.47 = 20,030.28 : x
  2. Step 2: Convert to fraction form
    42,229.02/63,343.47 = 20,030.28/x
  3. Step 3: Cross multiply
    42,229.02x = 63,343.47 × 20,030.28
  4. Step 4: Simplify right side
    42,229.02x = 1,268,787,440.27
  5. Step 5: Solve for x
    x = 1,268,787,440.27/42,229.02
  6. Step 6: Final answer
    x = 30,045.39

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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.