Home / 48,848.31-67,423.93-28,711.66

Finding the Fourth Proportional to 48,848.31, 67,423.93 and 28,711.66

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Solution

The fourth proportional to 48,848.31, 67,423.93 and 28,711.66 is: 39,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,848.31 : 67,423.93 = 28,711.66 : x
  2. Step 2: Convert to fraction form
    48,848.31/67,423.93 = 28,711.66/x
  3. Step 3: Cross multiply
    48,848.31x = 67,423.93 × 28,711.66
  4. Step 4: Simplify right side
    48,848.31x = 1,935,852,810.47
  5. Step 5: Solve for x
    x = 1,935,852,810.47/48,848.31
  6. Step 6: Final answer
    x = 39,629.88

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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.