Home / 52,254.74-72,111.22-28,381.21

Finding the Fourth Proportional to 52,254.74, 72,111.22 and 28,381.21

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Solution

The fourth proportional to 52,254.74, 72,111.22 and 28,381.21 is: 39,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,254.74 : 72,111.22 = 28,381.21 : x
  2. Step 2: Convert to fraction form
    52,254.74/72,111.22 = 28,381.21/x
  3. Step 3: Cross multiply
    52,254.74x = 72,111.22 × 28,381.21
  4. Step 4: Simplify right side
    52,254.74x = 2,046,603,426.95
  5. Step 5: Solve for x
    x = 2,046,603,426.95/52,254.74
  6. Step 6: Final answer
    x = 39,165.89

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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.