Home / 42,014.14-63,021.02-12,432.16

Finding the Fourth Proportional to 42,014.14, 63,021.02 and 12,432.16

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Solution

The fourth proportional to 42,014.14, 63,021.02 and 12,432.16 is: 18,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.14 : 63,021.02 = 12,432.16 : x
  2. Step 2: Convert to fraction form
    42,014.14/63,021.02 = 12,432.16/x
  3. Step 3: Cross multiply
    42,014.14x = 63,021.02 × 12,432.16
  4. Step 4: Simplify right side
    42,014.14x = 783,487,404.00
  5. Step 5: Solve for x
    x = 783,487,404.00/42,014.14
  6. Step 6: Final answer
    x = 18,648.18

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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.