Home / 40,422.71-55,783.45-23,430.23

Finding the Fourth Proportional to 40,422.71, 55,783.45 and 23,430.23

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Solution

The fourth proportional to 40,422.71, 55,783.45 and 23,430.23 is: 32,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.71 : 55,783.45 = 23,430.23 : x
  2. Step 2: Convert to fraction form
    40,422.71/55,783.45 = 23,430.23/x
  3. Step 3: Cross multiply
    40,422.71x = 55,783.45 × 23,430.23
  4. Step 4: Simplify right side
    40,422.71x = 1,307,019,023.25
  5. Step 5: Solve for x
    x = 1,307,019,023.25/40,422.71
  6. Step 6: Final answer
    x = 32,333.78

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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.