Home / 40,388.02-55,728.81-22,482.57

Finding the Fourth Proportional to 40,388.02, 55,728.81 and 22,482.57

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Solution

The fourth proportional to 40,388.02, 55,728.81 and 22,482.57 is: 31,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.02 : 55,728.81 = 22,482.57 : x
  2. Step 2: Convert to fraction form
    40,388.02/55,728.81 = 22,482.57/x
  3. Step 3: Cross multiply
    40,388.02x = 55,728.81 × 22,482.57
  4. Step 4: Simplify right side
    40,388.02x = 1,252,926,871.84
  5. Step 5: Solve for x
    x = 1,252,926,871.84/40,388.02
  6. Step 6: Final answer
    x = 31,022.24

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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.