Home / 39,005.48-58,508.17-12,710.18

Finding the Fourth Proportional to 39,005.48, 58,508.17 and 12,710.18

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Solution

The fourth proportional to 39,005.48, 58,508.17 and 12,710.18 is: 19,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,005.48 : 58,508.17 = 12,710.18 : x
  2. Step 2: Convert to fraction form
    39,005.48/58,508.17 = 12,710.18/x
  3. Step 3: Cross multiply
    39,005.48x = 58,508.17 × 12,710.18
  4. Step 4: Simplify right side
    39,005.48x = 743,649,372.17
  5. Step 5: Solve for x
    x = 743,649,372.17/39,005.48
  6. Step 6: Final answer
    x = 19,065.25

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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.