Home / 40,403.79-55,756.26-22,498.43

Finding the Fourth Proportional to 40,403.79, 55,756.26 and 22,498.43

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Solution

The fourth proportional to 40,403.79, 55,756.26 and 22,498.43 is: 31,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.79 : 55,756.26 = 22,498.43 : x
  2. Step 2: Convert to fraction form
    40,403.79/55,756.26 = 22,498.43/x
  3. Step 3: Cross multiply
    40,403.79x = 55,756.26 × 22,498.43
  4. Step 4: Simplify right side
    40,403.79x = 1,254,428,033.89
  5. Step 5: Solve for x
    x = 1,254,428,033.89/40,403.79
  6. Step 6: Final answer
    x = 31,047.29

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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.