Home / 40,577.13-55,995.40-22,672.28

Finding the Fourth Proportional to 40,577.13, 55,995.40 and 22,672.28

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Solution

The fourth proportional to 40,577.13, 55,995.40 and 22,672.28 is: 31,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,577.13 : 55,995.40 = 22,672.28 : x
  2. Step 2: Convert to fraction form
    40,577.13/55,995.40 = 22,672.28/x
  3. Step 3: Cross multiply
    40,577.13x = 55,995.40 × 22,672.28
  4. Step 4: Simplify right side
    40,577.13x = 1,269,543,387.51
  5. Step 5: Solve for x
    x = 1,269,543,387.51/40,577.13
  6. Step 6: Final answer
    x = 31,287.17

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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.