Home / 31,979.67-44,130.33-17,829.78

Finding the Fourth Proportional to 31,979.67, 44,130.33 and 17,829.78

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Solution

The fourth proportional to 31,979.67, 44,130.33 and 17,829.78 is: 24,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979.67 : 44,130.33 = 17,829.78 : x
  2. Step 2: Convert to fraction form
    31,979.67/44,130.33 = 17,829.78/x
  3. Step 3: Cross multiply
    31,979.67x = 44,130.33 × 17,829.78
  4. Step 4: Simplify right side
    31,979.67x = 786,834,075.23
  5. Step 5: Solve for x
    x = 786,834,075.23/31,979.67
  6. Step 6: Final answer
    x = 24,604.20

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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.