Home / 51,990.54-71,746.97-28,117.23

Finding the Fourth Proportional to 51,990.54, 71,746.97 and 28,117.23

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Solution

The fourth proportional to 51,990.54, 71,746.97 and 28,117.23 is: 38,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990.54 : 71,746.97 = 28,117.23 : x
  2. Step 2: Convert to fraction form
    51,990.54/71,746.97 = 28,117.23/x
  3. Step 3: Cross multiply
    51,990.54x = 71,746.97 × 28,117.23
  4. Step 4: Simplify right side
    51,990.54x = 2,017,325,916.71
  5. Step 5: Solve for x
    x = 2,017,325,916.71/51,990.54
  6. Step 6: Final answer
    x = 38,801.79

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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.