Home / 40,722.56-61,077.48-15,774.20

Finding the Fourth Proportional to 40,722.56, 61,077.48 and 15,774.20

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Solution

The fourth proportional to 40,722.56, 61,077.48 and 15,774.20 is: 23,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722.56 : 61,077.48 = 15,774.20 : x
  2. Step 2: Convert to fraction form
    40,722.56/61,077.48 = 15,774.20/x
  3. Step 3: Cross multiply
    40,722.56x = 61,077.48 × 15,774.20
  4. Step 4: Simplify right side
    40,722.56x = 963,448,385.02
  5. Step 5: Solve for x
    x = 963,448,385.02/40,722.56
  6. Step 6: Final answer
    x = 23,658.84

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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.