Home / 47,916.28-71,888.28-19,831.15

Finding the Fourth Proportional to 47,916.28, 71,888.28 and 19,831.15

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Solution

The fourth proportional to 47,916.28, 71,888.28 and 19,831.15 is: 29,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,916.28 : 71,888.28 = 19,831.15 : x
  2. Step 2: Convert to fraction form
    47,916.28/71,888.28 = 19,831.15/x
  3. Step 3: Cross multiply
    47,916.28x = 71,888.28 × 19,831.15
  4. Step 4: Simplify right side
    47,916.28x = 1,425,627,263.92
  5. Step 5: Solve for x
    x = 1,425,627,263.92/47,916.28
  6. Step 6: Final answer
    x = 29,752.46

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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.