Home / 42,017.38-63,017.07-12,435.46

Finding the Fourth Proportional to 42,017.38, 63,017.07 and 12,435.46

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Solution

The fourth proportional to 42,017.38, 63,017.07 and 12,435.46 is: 18,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017.38 : 63,017.07 = 12,435.46 : x
  2. Step 2: Convert to fraction form
    42,017.38/63,017.07 = 12,435.46/x
  3. Step 3: Cross multiply
    42,017.38x = 63,017.07 × 12,435.46
  4. Step 4: Simplify right side
    42,017.38x = 783,646,253.30
  5. Step 5: Solve for x
    x = 783,646,253.30/42,017.38
  6. Step 6: Final answer
    x = 18,650.53

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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.