Home / 43,170.60-64,626.30-25,631.40

Finding the Fourth Proportional to 43,170.60, 64,626.30 and 25,631.40

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Solution

The fourth proportional to 43,170.60, 64,626.30 and 25,631.40 is: 38,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170.60 : 64,626.30 = 25,631.40 : x
  2. Step 2: Convert to fraction form
    43,170.60/64,626.30 = 25,631.40/x
  3. Step 3: Cross multiply
    43,170.60x = 64,626.30 × 25,631.40
  4. Step 4: Simplify right side
    43,170.60x = 1,656,462,545.82
  5. Step 5: Solve for x
    x = 1,656,462,545.82/43,170.60
  6. Step 6: Final answer
    x = 38,370.15

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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.