Home / 52,422.40-72,343.20-28,549.18

Finding the Fourth Proportional to 52,422.40, 72,343.20 and 28,549.18

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Solution

The fourth proportional to 52,422.40, 72,343.20 and 28,549.18 is: 39,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422.40 : 72,343.20 = 28,549.18 : x
  2. Step 2: Convert to fraction form
    52,422.40/72,343.20 = 28,549.18/x
  3. Step 3: Cross multiply
    52,422.40x = 72,343.20 × 28,549.18
  4. Step 4: Simplify right side
    52,422.40x = 2,065,339,038.58
  5. Step 5: Solve for x
    x = 2,065,339,038.58/52,422.40
  6. Step 6: Final answer
    x = 39,398.03

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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.