Home / 39,301.46-58,934.13-12,642.54

Finding the Fourth Proportional to 39,301.46, 58,934.13 and 12,642.54

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Solution

The fourth proportional to 39,301.46, 58,934.13 and 12,642.54 is: 18,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.46 : 58,934.13 = 12,642.54 : x
  2. Step 2: Convert to fraction form
    39,301.46/58,934.13 = 12,642.54/x
  3. Step 3: Cross multiply
    39,301.46x = 58,934.13 × 12,642.54
  4. Step 4: Simplify right side
    39,301.46x = 745,077,095.89
  5. Step 5: Solve for x
    x = 745,077,095.89/39,301.46
  6. Step 6: Final answer
    x = 18,958.00

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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.