Home / 48,607.29-72,901.62-20,518.11

Finding the Fourth Proportional to 48,607.29, 72,901.62 and 20,518.11

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Solution

The fourth proportional to 48,607.29, 72,901.62 and 20,518.11 is: 30,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,607.29 : 72,901.62 = 20,518.11 : x
  2. Step 2: Convert to fraction form
    48,607.29/72,901.62 = 20,518.11/x
  3. Step 3: Cross multiply
    48,607.29x = 72,901.62 × 20,518.11
  4. Step 4: Simplify right side
    48,607.29x = 1,495,803,458.34
  5. Step 5: Solve for x
    x = 1,495,803,458.34/48,607.29
  6. Step 6: Final answer
    x = 30,773.23

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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.