Home / 38,843.79-58,002.20-30,856.65

Finding the Fourth Proportional to 38,843.79, 58,002.20 and 30,856.65

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Solution

The fourth proportional to 38,843.79, 58,002.20 and 30,856.65 is: 46,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,843.79 : 58,002.20 = 30,856.65 : x
  2. Step 2: Convert to fraction form
    38,843.79/58,002.20 = 30,856.65/x
  3. Step 3: Cross multiply
    38,843.79x = 58,002.20 × 30,856.65
  4. Step 4: Simplify right side
    38,843.79x = 1,789,753,430.35
  5. Step 5: Solve for x
    x = 1,789,753,430.35/38,843.79
  6. Step 6: Final answer
    x = 46,075.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.