Home / 45,550.48-68,422.84-42,887.20

Finding the Fourth Proportional to 45,550.48, 68,422.84 and 42,887.20

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Solution

The fourth proportional to 45,550.48, 68,422.84 and 42,887.20 is: 64,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,550.48 : 68,422.84 = 42,887.20 : x
  2. Step 2: Convert to fraction form
    45,550.48/68,422.84 = 42,887.20/x
  3. Step 3: Cross multiply
    45,550.48x = 68,422.84 × 42,887.20
  4. Step 4: Simplify right side
    45,550.48x = 2,934,464,023.65
  5. Step 5: Solve for x
    x = 2,934,464,023.65/45,550.48
  6. Step 6: Final answer
    x = 64,422.24

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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.