Home / 52,785.68-72,841.64-28,912.46

Finding the Fourth Proportional to 52,785.68, 72,841.64 and 28,912.46

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Solution

The fourth proportional to 52,785.68, 72,841.64 and 28,912.46 is: 39,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.68 : 72,841.64 = 28,912.46 : x
  2. Step 2: Convert to fraction form
    52,785.68/72,841.64 = 28,912.46/x
  3. Step 3: Cross multiply
    52,785.68x = 72,841.64 × 28,912.46
  4. Step 4: Simplify right side
    52,785.68x = 2,106,031,002.83
  5. Step 5: Solve for x
    x = 2,106,031,002.83/52,785.68
  6. Step 6: Final answer
    x = 39,897.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.