Home / 48,472.84-66,865.20-28,325.44

Finding the Fourth Proportional to 48,472.84, 66,865.20 and 28,325.44

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Solution

The fourth proportional to 48,472.84, 66,865.20 and 28,325.44 is: 39,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,472.84 : 66,865.20 = 28,325.44 : x
  2. Step 2: Convert to fraction form
    48,472.84/66,865.20 = 28,325.44/x
  3. Step 3: Cross multiply
    48,472.84x = 66,865.20 × 28,325.44
  4. Step 4: Simplify right side
    48,472.84x = 1,893,986,210.69
  5. Step 5: Solve for x
    x = 1,893,986,210.69/48,472.84
  6. Step 6: Final answer
    x = 39,073.14

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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.