Home / 52,419.46-72,341.90-39,475.56

Finding the Fourth Proportional to 52,419.46, 72,341.90 and 39,475.56

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Solution

The fourth proportional to 52,419.46, 72,341.90 and 39,475.56 is: 54,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,419.46 : 72,341.90 = 39,475.56 : x
  2. Step 2: Convert to fraction form
    52,419.46/72,341.90 = 39,475.56/x
  3. Step 3: Cross multiply
    52,419.46x = 72,341.90 × 39,475.56
  4. Step 4: Simplify right side
    52,419.46x = 2,855,737,013.96
  5. Step 5: Solve for x
    x = 2,855,737,013.96/52,419.46
  6. Step 6: Final answer
    x = 54,478.57

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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.