Home / 39,131.04-58,703.76-12,837.12

Finding the Fourth Proportional to 39,131.04, 58,703.76 and 12,837.12

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Solution

The fourth proportional to 39,131.04, 58,703.76 and 12,837.12 is: 19,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.04 : 58,703.76 = 12,837.12 : x
  2. Step 2: Convert to fraction form
    39,131.04/58,703.76 = 12,837.12/x
  3. Step 3: Cross multiply
    39,131.04x = 58,703.76 × 12,837.12
  4. Step 4: Simplify right side
    39,131.04x = 753,587,211.57
  5. Step 5: Solve for x
    x = 753,587,211.57/39,131.04
  6. Step 6: Final answer
    x = 19,258.04

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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.