Home / 38,691.79-58,046.74-12,036.47

Finding the Fourth Proportional to 38,691.79, 58,046.74 and 12,036.47

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Solution

The fourth proportional to 38,691.79, 58,046.74 and 12,036.47 is: 18,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,691.79 : 58,046.74 = 12,036.47 : x
  2. Step 2: Convert to fraction form
    38,691.79/58,046.74 = 12,036.47/x
  3. Step 3: Cross multiply
    38,691.79x = 58,046.74 × 12,036.47
  4. Step 4: Simplify right side
    38,691.79x = 698,678,030.98
  5. Step 5: Solve for x
    x = 698,678,030.98/38,691.79
  6. Step 6: Final answer
    x = 18,057.53

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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.