Home / 51,569.16-77,280.76-21,957.18

Finding the Fourth Proportional to 51,569.16, 77,280.76 and 21,957.18

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Solution

The fourth proportional to 51,569.16, 77,280.76 and 21,957.18 is: 32,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,569.16 : 77,280.76 = 21,957.18 : x
  2. Step 2: Convert to fraction form
    51,569.16/77,280.76 = 21,957.18/x
  3. Step 3: Cross multiply
    51,569.16x = 77,280.76 × 21,957.18
  4. Step 4: Simplify right side
    51,569.16x = 1,696,867,557.86
  5. Step 5: Solve for x
    x = 1,696,867,557.86/51,569.16
  6. Step 6: Final answer
    x = 32,904.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.