Home / 40,381.02-55,719.16-22,475.57

Finding the Fourth Proportional to 40,381.02, 55,719.16 and 22,475.57

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Solution

The fourth proportional to 40,381.02, 55,719.16 and 22,475.57 is: 31,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381.02 : 55,719.16 = 22,475.57 : x
  2. Step 2: Convert to fraction form
    40,381.02/55,719.16 = 22,475.57/x
  3. Step 3: Cross multiply
    40,381.02x = 55,719.16 × 22,475.57
  4. Step 4: Simplify right side
    40,381.02x = 1,252,319,546.14
  5. Step 5: Solve for x
    x = 1,252,319,546.14/40,381.02
  6. Step 6: Final answer
    x = 31,012.58

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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.