Home / 39,126.08-58,716.80-15,434.40

Finding the Fourth Proportional to 39,126.08, 58,716.80 and 15,434.40

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Solution

The fourth proportional to 39,126.08, 58,716.80 and 15,434.40 is: 23,162.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126.08 : 58,716.80 = 15,434.40 : x
  2. Step 2: Convert to fraction form
    39,126.08/58,716.80 = 15,434.40/x
  3. Step 3: Cross multiply
    39,126.08x = 58,716.80 × 15,434.40
  4. Step 4: Simplify right side
    39,126.08x = 906,258,500.75
  5. Step 5: Solve for x
    x = 906,258,500.75/39,126.08
  6. Step 6: Final answer
    x = 23,162.52

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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.