Home / 47,005.84-70,414.76-28,275.52

Finding the Fourth Proportional to 47,005.84, 70,414.76 and 28,275.52

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Solution

The fourth proportional to 47,005.84, 70,414.76 and 28,275.52 is: 42,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,005.84 : 70,414.76 = 28,275.52 : x
  2. Step 2: Convert to fraction form
    47,005.84/70,414.76 = 28,275.52/x
  3. Step 3: Cross multiply
    47,005.84x = 70,414.76 × 28,275.52
  4. Step 4: Simplify right side
    47,005.84x = 1,991,013,954.68
  5. Step 5: Solve for x
    x = 1,991,013,954.68/47,005.84
  6. Step 6: Final answer
    x = 42,356.74

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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.