Home / 39,117.06-58,684.10-12,820.82

Finding the Fourth Proportional to 39,117.06, 58,684.10 and 12,820.82

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Solution

The fourth proportional to 39,117.06, 58,684.10 and 12,820.82 is: 19,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117.06 : 58,684.10 = 12,820.82 : x
  2. Step 2: Convert to fraction form
    39,117.06/58,684.10 = 12,820.82/x
  3. Step 3: Cross multiply
    39,117.06x = 58,684.10 × 12,820.82
  4. Step 4: Simplify right side
    39,117.06x = 752,377,925.44
  5. Step 5: Solve for x
    x = 752,377,925.44/39,117.06
  6. Step 6: Final answer
    x = 19,234.01

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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.