Home / 39,148.40-58,722.60-29,817.20

Finding the Fourth Proportional to 39,148.40, 58,722.60 and 29,817.20

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Solution

The fourth proportional to 39,148.40, 58,722.60 and 29,817.20 is: 44,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.40 : 58,722.60 = 29,817.20 : x
  2. Step 2: Convert to fraction form
    39,148.40/58,722.60 = 29,817.20/x
  3. Step 3: Cross multiply
    39,148.40x = 58,722.60 × 29,817.20
  4. Step 4: Simplify right side
    39,148.40x = 1,750,943,508.72
  5. Step 5: Solve for x
    x = 1,750,943,508.72/39,148.40
  6. Step 6: Final answer
    x = 44,725.80

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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.