Home / 48,458.22-72,646.29-18,896.76

Finding the Fourth Proportional to 48,458.22, 72,646.29 and 18,896.76

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Solution

The fourth proportional to 48,458.22, 72,646.29 and 18,896.76 is: 28,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458.22 : 72,646.29 = 18,896.76 : x
  2. Step 2: Convert to fraction form
    48,458.22/72,646.29 = 18,896.76/x
  3. Step 3: Cross multiply
    48,458.22x = 72,646.29 × 18,896.76
  4. Step 4: Simplify right side
    48,458.22x = 1,372,779,507.02
  5. Step 5: Solve for x
    x = 1,372,779,507.02/48,458.22
  6. Step 6: Final answer
    x = 28,329.14

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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.