Home / 39,217.17-58,777.56-18,128.68

Finding the Fourth Proportional to 39,217.17, 58,777.56 and 18,128.68

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Solution

The fourth proportional to 39,217.17, 58,777.56 and 18,128.68 is: 27,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,217.17 : 58,777.56 = 18,128.68 : x
  2. Step 2: Convert to fraction form
    39,217.17/58,777.56 = 18,128.68/x
  3. Step 3: Cross multiply
    39,217.17x = 58,777.56 × 18,128.68
  4. Step 4: Simplify right side
    39,217.17x = 1,065,559,429.48
  5. Step 5: Solve for x
    x = 1,065,559,429.48/39,217.17
  6. Step 6: Final answer
    x = 27,170.73

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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.