Home / 39,159.34-58,690.91-15,443.08

Finding the Fourth Proportional to 39,159.34, 58,690.91 and 15,443.08

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Solution

The fourth proportional to 39,159.34, 58,690.91 and 15,443.08 is: 23,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.34 : 58,690.91 = 15,443.08 : x
  2. Step 2: Convert to fraction form
    39,159.34/58,690.91 = 15,443.08/x
  3. Step 3: Cross multiply
    39,159.34x = 58,690.91 × 15,443.08
  4. Step 4: Simplify right side
    39,159.34x = 906,368,310.28
  5. Step 5: Solve for x
    x = 906,368,310.28/39,159.34
  6. Step 6: Final answer
    x = 23,145.65

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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.