Home / 40,275.83-55,579.12-22,372.00

Finding the Fourth Proportional to 40,275.83, 55,579.12 and 22,372.00

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Solution

The fourth proportional to 40,275.83, 55,579.12 and 22,372.00 is: 30,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.83 : 55,579.12 = 22,372.00 : x
  2. Step 2: Convert to fraction form
    40,275.83/55,579.12 = 22,372.00/x
  3. Step 3: Cross multiply
    40,275.83x = 55,579.12 × 22,372.00
  4. Step 4: Simplify right side
    40,275.83x = 1,243,415,877.76
  5. Step 5: Solve for x
    x = 1,243,415,877.76/40,275.83
  6. Step 6: Final answer
    x = 30,872.51

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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.