Home / 52,619.96-78,883.20-19,332.20

Finding the Fourth Proportional to 52,619.96, 78,883.20 and 19,332.20

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Solution

The fourth proportional to 52,619.96, 78,883.20 and 19,332.20 is: 28,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,619.96 : 78,883.20 = 19,332.20 : x
  2. Step 2: Convert to fraction form
    52,619.96/78,883.20 = 19,332.20/x
  3. Step 3: Cross multiply
    52,619.96x = 78,883.20 × 19,332.20
  4. Step 4: Simplify right side
    52,619.96x = 1,524,985,996.25
  5. Step 5: Solve for x
    x = 1,524,985,996.25/52,619.96
  6. Step 6: Final answer
    x = 28,981.13

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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.