Home / 31,577.71-43,577.24-17,430.55

Finding the Fourth Proportional to 31,577.71, 43,577.24 and 17,430.55

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Solution

The fourth proportional to 31,577.71, 43,577.24 and 17,430.55 is: 24,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.71 : 43,577.24 = 17,430.55 : x
  2. Step 2: Convert to fraction form
    31,577.71/43,577.24 = 17,430.55/x
  3. Step 3: Cross multiply
    31,577.71x = 43,577.24 × 17,430.55
  4. Step 4: Simplify right side
    31,577.71x = 759,575,260.68
  5. Step 5: Solve for x
    x = 759,575,260.68/31,577.71
  6. Step 6: Final answer
    x = 24,054.16

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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.