Home / 48,666.84-67,171.05-31,641.54

Finding the Fourth Proportional to 48,666.84, 67,171.05 and 31,641.54

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Solution

The fourth proportional to 48,666.84, 67,171.05 and 31,641.54 is: 43,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,666.84 : 67,171.05 = 31,641.54 : x
  2. Step 2: Convert to fraction form
    48,666.84/67,171.05 = 31,641.54/x
  3. Step 3: Cross multiply
    48,666.84x = 67,171.05 × 31,641.54
  4. Step 4: Simplify right side
    48,666.84x = 2,125,395,465.42
  5. Step 5: Solve for x
    x = 2,125,395,465.42/48,666.84
  6. Step 6: Final answer
    x = 43,672.35

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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.