Home / 52,886.16-72,982.32-29,011.68

Finding the Fourth Proportional to 52,886.16, 72,982.32 and 29,011.68

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Solution

The fourth proportional to 52,886.16, 72,982.32 and 29,011.68 is: 40,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,886.16 : 72,982.32 = 29,011.68 : x
  2. Step 2: Convert to fraction form
    52,886.16/72,982.32 = 29,011.68/x
  3. Step 3: Cross multiply
    52,886.16x = 72,982.32 × 29,011.68
  4. Step 4: Simplify right side
    52,886.16x = 2,117,339,713.50
  5. Step 5: Solve for x
    x = 2,117,339,713.50/52,886.16
  6. Step 6: Final answer
    x = 40,035.80

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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.