Home / 48,545.04-72,774.12-18,955.92

Finding the Fourth Proportional to 48,545.04, 72,774.12 and 18,955.92

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Solution

The fourth proportional to 48,545.04, 72,774.12 and 18,955.92 is: 28,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,545.04 : 72,774.12 = 18,955.92 : x
  2. Step 2: Convert to fraction form
    48,545.04/72,774.12 = 18,955.92/x
  3. Step 3: Cross multiply
    48,545.04x = 72,774.12 × 18,955.92
  4. Step 4: Simplify right side
    48,545.04x = 1,379,500,396.79
  5. Step 5: Solve for x
    x = 1,379,500,396.79/48,545.04
  6. Step 6: Final answer
    x = 28,416.92

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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.