Home / 43,712.38-65,566.82-12,547.62

Finding the Fourth Proportional to 43,712.38, 65,566.82 and 12,547.62

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Solution

The fourth proportional to 43,712.38, 65,566.82 and 12,547.62 is: 18,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,712.38 : 65,566.82 = 12,547.62 : x
  2. Step 2: Convert to fraction form
    43,712.38/65,566.82 = 12,547.62/x
  3. Step 3: Cross multiply
    43,712.38x = 65,566.82 × 12,547.62
  4. Step 4: Simplify right side
    43,712.38x = 822,707,541.97
  5. Step 5: Solve for x
    x = 822,707,541.97/43,712.38
  6. Step 6: Final answer
    x = 18,820.93

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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.