Home / 39,117.10-58,675.65-12,822.70

Finding the Fourth Proportional to 39,117.10, 58,675.65 and 12,822.70

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Solution

The fourth proportional to 39,117.10, 58,675.65 and 12,822.70 is: 19,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117.10 : 58,675.65 = 12,822.70 : x
  2. Step 2: Convert to fraction form
    39,117.10/58,675.65 = 12,822.70/x
  3. Step 3: Cross multiply
    39,117.10x = 58,675.65 × 12,822.70
  4. Step 4: Simplify right side
    39,117.10x = 752,380,257.26
  5. Step 5: Solve for x
    x = 752,380,257.26/39,117.10
  6. Step 6: Final answer
    x = 19,234.05

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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.