Home / 38,852.70-58,279.05-12,576.30

Finding the Fourth Proportional to 38,852.70, 58,279.05 and 12,576.30

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Solution

The fourth proportional to 38,852.70, 58,279.05 and 12,576.30 is: 18,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852.70 : 58,279.05 = 12,576.30 : x
  2. Step 2: Convert to fraction form
    38,852.70/58,279.05 = 12,576.30/x
  3. Step 3: Cross multiply
    38,852.70x = 58,279.05 × 12,576.30
  4. Step 4: Simplify right side
    38,852.70x = 732,934,816.52
  5. Step 5: Solve for x
    x = 732,934,816.52/38,852.70
  6. Step 6: Final answer
    x = 18,864.45

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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.