Home / 40,400.36-60,612.88-20,692.84

Finding the Fourth Proportional to 40,400.36, 60,612.88 and 20,692.84

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Solution

The fourth proportional to 40,400.36, 60,612.88 and 20,692.84 is: 31,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.36 : 60,612.88 = 20,692.84 : x
  2. Step 2: Convert to fraction form
    40,400.36/60,612.88 = 20,692.84/x
  3. Step 3: Cross multiply
    40,400.36x = 60,612.88 × 20,692.84
  4. Step 4: Simplify right side
    40,400.36x = 1,254,252,627.78
  5. Step 5: Solve for x
    x = 1,254,252,627.78/40,400.36
  6. Step 6: Final answer
    x = 31,045.58

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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.