Home / 43,140.30-64,710.45-25,601.10

Finding the Fourth Proportional to 43,140.30, 64,710.45 and 25,601.10

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Solution

The fourth proportional to 43,140.30, 64,710.45 and 25,601.10 is: 38,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,140.30 : 64,710.45 = 25,601.10 : x
  2. Step 2: Convert to fraction form
    43,140.30/64,710.45 = 25,601.10/x
  3. Step 3: Cross multiply
    43,140.30x = 64,710.45 × 25,601.10
  4. Step 4: Simplify right side
    43,140.30x = 1,656,658,701.50
  5. Step 5: Solve for x
    x = 1,656,658,701.50/43,140.30
  6. Step 6: Final answer
    x = 38,401.65

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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.