Home / 39,117.58-58,676.13-12,822.13

Finding the Fourth Proportional to 39,117.58, 58,676.13 and 12,822.13

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Solution

The fourth proportional to 39,117.58, 58,676.13 and 12,822.13 is: 19,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117.58 : 58,676.13 = 12,822.13 : x
  2. Step 2: Convert to fraction form
    39,117.58/58,676.13 = 12,822.13/x
  3. Step 3: Cross multiply
    39,117.58x = 58,676.13 × 12,822.13
  4. Step 4: Simplify right side
    39,117.58x = 752,352,966.76
  5. Step 5: Solve for x
    x = 752,352,966.76/39,117.58
  6. Step 6: Final answer
    x = 19,233.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.