Home / 42,450.30-63,686.10-16,140.66

Finding the Fourth Proportional to 42,450.30, 63,686.10 and 16,140.66

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Solution

The fourth proportional to 42,450.30, 63,686.10 and 16,140.66 is: 24,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450.30 : 63,686.10 = 16,140.66 : x
  2. Step 2: Convert to fraction form
    42,450.30/63,686.10 = 16,140.66/x
  3. Step 3: Cross multiply
    42,450.30x = 63,686.10 × 16,140.66
  4. Step 4: Simplify right side
    42,450.30x = 1,027,935,686.83
  5. Step 5: Solve for x
    x = 1,027,935,686.83/42,450.30
  6. Step 6: Final answer
    x = 24,215.04

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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.