Home / 34,341.77-47,414.79-21,440.71

Finding the Fourth Proportional to 34,341.77, 47,414.79 and 21,440.71

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Solution

The fourth proportional to 34,341.77, 47,414.79 and 21,440.71 is: 29,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,341.77 : 47,414.79 = 21,440.71 : x
  2. Step 2: Convert to fraction form
    34,341.77/47,414.79 = 21,440.71/x
  3. Step 3: Cross multiply
    34,341.77x = 47,414.79 × 21,440.71
  4. Step 4: Simplify right side
    34,341.77x = 1,016,606,948.35
  5. Step 5: Solve for x
    x = 1,016,606,948.35/34,341.77
  6. Step 6: Final answer
    x = 29,602.63

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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.