Home / 40,728.48-56,199.60-22,822.08

Finding the Fourth Proportional to 40,728.48, 56,199.60 and 22,822.08

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Solution

The fourth proportional to 40,728.48, 56,199.60 and 22,822.08 is: 31,491.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.48 : 56,199.60 = 22,822.08 : x
  2. Step 2: Convert to fraction form
    40,728.48/56,199.60 = 22,822.08/x
  3. Step 3: Cross multiply
    40,728.48x = 56,199.60 × 22,822.08
  4. Step 4: Simplify right side
    40,728.48x = 1,282,591,767.17
  5. Step 5: Solve for x
    x = 1,282,591,767.17/40,728.48
  6. Step 6: Final answer
    x = 31,491.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.