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Finding the Fourth Proportional to 52,369.84, 72,275.18 and 29,716.20

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Solution

The fourth proportional to 52,369.84, 72,275.18 and 29,716.20 is: 41,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,369.84 : 72,275.18 = 29,716.20 : x
  2. Step 2: Convert to fraction form
    52,369.84/72,275.18 = 29,716.20/x
  3. Step 3: Cross multiply
    52,369.84x = 72,275.18 × 29,716.20
  4. Step 4: Simplify right side
    52,369.84x = 2,147,743,703.92
  5. Step 5: Solve for x
    x = 2,147,743,703.92/52,369.84
  6. Step 6: Final answer
    x = 41,011.08

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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.