Home / 52,121.58-71,925.85-28,247.74

Finding the Fourth Proportional to 52,121.58, 71,925.85 and 28,247.74

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Solution

The fourth proportional to 52,121.58, 71,925.85 and 28,247.74 is: 38,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121.58 : 71,925.85 = 28,247.74 : x
  2. Step 2: Convert to fraction form
    52,121.58/71,925.85 = 28,247.74/x
  3. Step 3: Cross multiply
    52,121.58x = 71,925.85 × 28,247.74
  4. Step 4: Simplify right side
    52,121.58x = 2,031,742,209.21
  5. Step 5: Solve for x
    x = 2,031,742,209.21/52,121.58
  6. Step 6: Final answer
    x = 38,980.83

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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.