Home / 39,171.60-58,751.31-12,876.15

Finding the Fourth Proportional to 39,171.60, 58,751.31 and 12,876.15

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Solution

The fourth proportional to 39,171.60, 58,751.31 and 12,876.15 is: 19,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.60 : 58,751.31 = 12,876.15 : x
  2. Step 2: Convert to fraction form
    39,171.60/58,751.31 = 12,876.15/x
  3. Step 3: Cross multiply
    39,171.60x = 58,751.31 × 12,876.15
  4. Step 4: Simplify right side
    39,171.60x = 756,490,680.26
  5. Step 5: Solve for x
    x = 756,490,680.26/39,171.60
  6. Step 6: Final answer
    x = 19,312.22

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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.