Home / 51,990.22-71,746.65-28,117.06

Finding the Fourth Proportional to 51,990.22, 71,746.65 and 28,117.06

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Solution

The fourth proportional to 51,990.22, 71,746.65 and 28,117.06 is: 38,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990.22 : 71,746.65 = 28,117.06 : x
  2. Step 2: Convert to fraction form
    51,990.22/71,746.65 = 28,117.06/x
  3. Step 3: Cross multiply
    51,990.22x = 71,746.65 × 28,117.06
  4. Step 4: Simplify right side
    51,990.22x = 2,017,304,862.85
  5. Step 5: Solve for x
    x = 2,017,304,862.85/51,990.22
  6. Step 6: Final answer
    x = 38,801.62

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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.