Home / 40,687.36-56,146.28-22,782.08

Finding the Fourth Proportional to 40,687.36, 56,146.28 and 22,782.08

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Solution

The fourth proportional to 40,687.36, 56,146.28 and 22,782.08 is: 31,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,687.36 : 56,146.28 = 22,782.08 : x
  2. Step 2: Convert to fraction form
    40,687.36/56,146.28 = 22,782.08/x
  3. Step 3: Cross multiply
    40,687.36x = 56,146.28 × 22,782.08
  4. Step 4: Simplify right side
    40,687.36x = 1,279,129,042.66
  5. Step 5: Solve for x
    x = 1,279,129,042.66/40,687.36
  6. Step 6: Final answer
    x = 31,438.00

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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.