Home / 51,042.95-70,439.16-28,381.22

Finding the Fourth Proportional to 51,042.95, 70,439.16 and 28,381.22

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Solution

The fourth proportional to 51,042.95, 70,439.16 and 28,381.22 is: 39,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,042.95 : 70,439.16 = 28,381.22 : x
  2. Step 2: Convert to fraction form
    51,042.95/70,439.16 = 28,381.22/x
  3. Step 3: Cross multiply
    51,042.95x = 70,439.16 × 28,381.22
  4. Step 4: Simplify right side
    51,042.95x = 1,999,149,296.58
  5. Step 5: Solve for x
    x = 1,999,149,296.58/51,042.95
  6. Step 6: Final answer
    x = 39,166.02

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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.