Home / 40,278.04-55,585.36-22,373.18

Finding the Fourth Proportional to 40,278.04, 55,585.36 and 22,373.18

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Solution

The fourth proportional to 40,278.04, 55,585.36 and 22,373.18 is: 30,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.04 : 55,585.36 = 22,373.18 : x
  2. Step 2: Convert to fraction form
    40,278.04/55,585.36 = 22,373.18/x
  3. Step 3: Cross multiply
    40,278.04x = 55,585.36 × 22,373.18
  4. Step 4: Simplify right side
    40,278.04x = 1,243,621,264.64
  5. Step 5: Solve for x
    x = 1,243,621,264.64/40,278.04
  6. Step 6: Final answer
    x = 30,875.91

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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.