Home / 31,931.29-44,065.65-18,503.52

Finding the Fourth Proportional to 31,931.29, 44,065.65 and 18,503.52

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Solution

The fourth proportional to 31,931.29, 44,065.65 and 18,503.52 is: 25,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931.29 : 44,065.65 = 18,503.52 : x
  2. Step 2: Convert to fraction form
    31,931.29/44,065.65 = 18,503.52/x
  3. Step 3: Cross multiply
    31,931.29x = 44,065.65 × 18,503.52
  4. Step 4: Simplify right side
    31,931.29x = 815,369,636.09
  5. Step 5: Solve for x
    x = 815,369,636.09/31,931.29
  6. Step 6: Final answer
    x = 25,535.13

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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.