Home / 52,810.13-72,877.98-28,937.75

Finding the Fourth Proportional to 52,810.13, 72,877.98 and 28,937.75

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Solution

The fourth proportional to 52,810.13, 72,877.98 and 28,937.75 is: 39,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,810.13 : 72,877.98 = 28,937.75 : x
  2. Step 2: Convert to fraction form
    52,810.13/72,877.98 = 28,937.75/x
  3. Step 3: Cross multiply
    52,810.13x = 72,877.98 × 28,937.75
  4. Step 4: Simplify right side
    52,810.13x = 2,108,924,401.36
  5. Step 5: Solve for x
    x = 2,108,924,401.36/52,810.13
  6. Step 6: Final answer
    x = 39,934.09

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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.