Home / 40,782.39-61,153.80-23,920.91

Finding the Fourth Proportional to 40,782.39, 61,153.80 and 23,920.91

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Solution

The fourth proportional to 40,782.39, 61,153.80 and 23,920.91 is: 35,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.39 : 61,153.80 = 23,920.91 : x
  2. Step 2: Convert to fraction form
    40,782.39/61,153.80 = 23,920.91/x
  3. Step 3: Cross multiply
    40,782.39x = 61,153.80 × 23,920.91
  4. Step 4: Simplify right side
    40,782.39x = 1,462,854,545.96
  5. Step 5: Solve for x
    x = 1,462,854,545.96/40,782.39
  6. Step 6: Final answer
    x = 35,869.76

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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.