Home / 39,018.11-58,528.82-15,330.78

Finding the Fourth Proportional to 39,018.11, 58,528.82 and 15,330.78

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Solution

The fourth proportional to 39,018.11, 58,528.82 and 15,330.78 is: 22,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.11 : 58,528.82 = 15,330.78 : x
  2. Step 2: Convert to fraction form
    39,018.11/58,528.82 = 15,330.78/x
  3. Step 3: Cross multiply
    39,018.11x = 58,528.82 × 15,330.78
  4. Step 4: Simplify right side
    39,018.11x = 897,292,463.08
  5. Step 5: Solve for x
    x = 897,292,463.08/39,018.11
  6. Step 6: Final answer
    x = 22,996.82

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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.