Home / 61,381.28-84,713.40-34,524.80

Finding the Fourth Proportional to 61,381.28, 84,713.40 and 34,524.80

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Solution

The fourth proportional to 61,381.28, 84,713.40 and 34,524.80 is: 47,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,381.28 : 84,713.40 = 34,524.80 : x
  2. Step 2: Convert to fraction form
    61,381.28/84,713.40 = 34,524.80/x
  3. Step 3: Cross multiply
    61,381.28x = 84,713.40 × 34,524.80
  4. Step 4: Simplify right side
    61,381.28x = 2,924,713,192.32
  5. Step 5: Solve for x
    x = 2,924,713,192.32/61,381.28
  6. Step 6: Final answer
    x = 47,648.29

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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.