Home / 48,072.72-72,146.28-31,428.24

Finding the Fourth Proportional to 48,072.72, 72,146.28 and 31,428.24

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Solution

The fourth proportional to 48,072.72, 72,146.28 and 31,428.24 is: 47,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072.72 : 72,146.28 = 31,428.24 : x
  2. Step 2: Convert to fraction form
    48,072.72/72,146.28 = 31,428.24/x
  3. Step 3: Cross multiply
    48,072.72x = 72,146.28 × 31,428.24
  4. Step 4: Simplify right side
    48,072.72x = 2,267,430,602.95
  5. Step 5: Solve for x
    x = 2,267,430,602.95/48,072.72
  6. Step 6: Final answer
    x = 47,166.68

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1.5x scale

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.