Home / 42,040.02-63,059.80-18,020.78

Finding the Fourth Proportional to 42,040.02, 63,059.80 and 18,020.78

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Solution

The fourth proportional to 42,040.02, 63,059.80 and 18,020.78 is: 27,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,040.02 : 63,059.80 = 18,020.78 : x
  2. Step 2: Convert to fraction form
    42,040.02/63,059.80 = 18,020.78/x
  3. Step 3: Cross multiply
    42,040.02x = 63,059.80 × 18,020.78
  4. Step 4: Simplify right side
    42,040.02x = 1,136,387,047.27
  5. Step 5: Solve for x
    x = 1,136,387,047.27/42,040.02
  6. Step 6: Final answer
    x = 27,031.08

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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.