Home / 52,380.04-72,286-28,508.26

Finding the Fourth Proportional to 52,380.04, 72,286 and 28,508.26

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Solution

The fourth proportional to 52,380.04, 72,286 and 28,508.26 is: 39,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,380.04 : 72,286 = 28,508.26 : x
  2. Step 2: Convert to fraction form
    52,380.04/72,286 = 28,508.26/x
  3. Step 3: Cross multiply
    52,380.04x = 72,286 × 28,508.26
  4. Step 4: Simplify right side
    52,380.04x = 2,060,748,082.36
  5. Step 5: Solve for x
    x = 2,060,748,082.36/52,380.04
  6. Step 6: Final answer
    x = 39,342.24

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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.