Home / 42,006.90-63,022.65-12,425.52

Finding the Fourth Proportional to 42,006.90, 63,022.65 and 12,425.52

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Solution

The fourth proportional to 42,006.90, 63,022.65 and 12,425.52 is: 18,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.90 : 63,022.65 = 12,425.52 : x
  2. Step 2: Convert to fraction form
    42,006.90/63,022.65 = 12,425.52/x
  3. Step 3: Cross multiply
    42,006.90x = 63,022.65 × 12,425.52
  4. Step 4: Simplify right side
    42,006.90x = 783,089,386.65
  5. Step 5: Solve for x
    x = 783,089,386.65/42,006.90
  6. Step 6: Final answer
    x = 18,641.92

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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.