Home / 48,477.38-72,702.02-18,888.62

Finding the Fourth Proportional to 48,477.38, 72,702.02 and 18,888.62

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Solution

The fourth proportional to 48,477.38, 72,702.02 and 18,888.62 is: 28,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,477.38 : 72,702.02 = 18,888.62 : x
  2. Step 2: Convert to fraction form
    48,477.38/72,702.02 = 18,888.62/x
  3. Step 3: Cross multiply
    48,477.38x = 72,702.02 × 18,888.62
  4. Step 4: Simplify right side
    48,477.38x = 1,373,240,829.01
  5. Step 5: Solve for x
    x = 1,373,240,829.01/48,477.38
  6. Step 6: Final answer
    x = 28,327.46

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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.