Home / 39,826.12-54,957-22,830.16

Finding the Fourth Proportional to 39,826.12, 54,957 and 22,830.16

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Solution

The fourth proportional to 39,826.12, 54,957 and 22,830.16 is: 31,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.12 : 54,957 = 22,830.16 : x
  2. Step 2: Convert to fraction form
    39,826.12/54,957 = 22,830.16/x
  3. Step 3: Cross multiply
    39,826.12x = 54,957 × 22,830.16
  4. Step 4: Simplify right side
    39,826.12x = 1,254,677,103.12
  5. Step 5: Solve for x
    x = 1,254,677,103.12/39,826.12
  6. Step 6: Final answer
    x = 31,503.87

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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.