Home / 40,711.40-61,381.06-40,458.68

Finding the Fourth Proportional to 40,711.40, 61,381.06 and 40,458.68

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Solution

The fourth proportional to 40,711.40, 61,381.06 and 40,458.68 is: 61,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,711.40 : 61,381.06 = 40,458.68 : x
  2. Step 2: Convert to fraction form
    40,711.40/61,381.06 = 40,458.68/x
  3. Step 3: Cross multiply
    40,711.40x = 61,381.06 × 40,458.68
  4. Step 4: Simplify right side
    40,711.40x = 2,483,396,664.60
  5. Step 5: Solve for x
    x = 2,483,396,664.60/40,711.40
  6. Step 6: Final answer
    x = 61,000.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.