Home / 45,290.16-67,832.40-39,000.12

Finding the Fourth Proportional to 45,290.16, 67,832.40 and 39,000.12

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Solution

The fourth proportional to 45,290.16, 67,832.40 and 39,000.12 is: 58,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,290.16 : 67,832.40 = 39,000.12 : x
  2. Step 2: Convert to fraction form
    45,290.16/67,832.40 = 39,000.12/x
  3. Step 3: Cross multiply
    45,290.16x = 67,832.40 × 39,000.12
  4. Step 4: Simplify right side
    45,290.16x = 2,645,471,739.89
  5. Step 5: Solve for x
    x = 2,645,471,739.89/45,290.16
  6. Step 6: Final answer
    x = 58,411.62

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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.