Home / 31,969.22-44,126.78-18,543.47

Finding the Fourth Proportional to 31,969.22, 44,126.78 and 18,543.47

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Solution

The fourth proportional to 31,969.22, 44,126.78 and 18,543.47 is: 25,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969.22 : 44,126.78 = 18,543.47 : x
  2. Step 2: Convert to fraction form
    31,969.22/44,126.78 = 18,543.47/x
  3. Step 3: Cross multiply
    31,969.22x = 44,126.78 × 18,543.47
  4. Step 4: Simplify right side
    31,969.22x = 818,263,307.78
  5. Step 5: Solve for x
    x = 818,263,307.78/31,969.22
  6. Step 6: Final answer
    x = 25,595.35

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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.