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Finding the Fourth Proportional to 39,150.99, 58,726.49 and 9,568.79

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Solution

The fourth proportional to 39,150.99, 58,726.49 and 9,568.79 is: 14,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,150.99 : 58,726.49 = 9,568.79 : x
  2. Step 2: Convert to fraction form
    39,150.99/58,726.49 = 9,568.79/x
  3. Step 3: Cross multiply
    39,150.99x = 58,726.49 × 9,568.79
  4. Step 4: Simplify right side
    39,150.99x = 561,941,108.77
  5. Step 5: Solve for x
    x = 561,941,108.77/39,150.99
  6. Step 6: Final answer
    x = 14,353.18

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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.