Home / 52,263.03-72,123.65-28,390.11

Finding the Fourth Proportional to 52,263.03, 72,123.65 and 28,390.11

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Solution

The fourth proportional to 52,263.03, 72,123.65 and 28,390.11 is: 39,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,263.03 : 72,123.65 = 28,390.11 : x
  2. Step 2: Convert to fraction form
    52,263.03/72,123.65 = 28,390.11/x
  3. Step 3: Cross multiply
    52,263.03x = 72,123.65 × 28,390.11
  4. Step 4: Simplify right side
    52,263.03x = 2,047,598,215.15
  5. Step 5: Solve for x
    x = 2,047,598,215.15/52,263.03
  6. Step 6: Final answer
    x = 39,178.71

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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.