Home / 39,121.35-58,656.09-14,158.14

Finding the Fourth Proportional to 39,121.35, 58,656.09 and 14,158.14

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Solution

The fourth proportional to 39,121.35, 58,656.09 and 14,158.14 is: 21,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.35 : 58,656.09 = 14,158.14 : x
  2. Step 2: Convert to fraction form
    39,121.35/58,656.09 = 14,158.14/x
  3. Step 3: Cross multiply
    39,121.35x = 58,656.09 × 14,158.14
  4. Step 4: Simplify right side
    39,121.35x = 830,461,134.07
  5. Step 5: Solve for x
    x = 830,461,134.07/39,121.35
  6. Step 6: Final answer
    x = 21,227.82

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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.