Home / 52,360.40-78,514.65-18,621.36

Finding the Fourth Proportional to 52,360.40, 78,514.65 and 18,621.36

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Solution

The fourth proportional to 52,360.40, 78,514.65 and 18,621.36 is: 27,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,360.40 : 78,514.65 = 18,621.36 : x
  2. Step 2: Convert to fraction form
    52,360.40/78,514.65 = 18,621.36/x
  3. Step 3: Cross multiply
    52,360.40x = 78,514.65 × 18,621.36
  4. Step 4: Simplify right side
    52,360.40x = 1,462,049,562.92
  5. Step 5: Solve for x
    x = 1,462,049,562.92/52,360.40
  6. Step 6: Final answer
    x = 27,922.81

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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.