Home / 38,798.68-58,223.50-21,280.80

Finding the Fourth Proportional to 38,798.68, 58,223.50 and 21,280.80

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Solution

The fourth proportional to 38,798.68, 58,223.50 and 21,280.80 is: 31,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,798.68 : 58,223.50 = 21,280.80 : x
  2. Step 2: Convert to fraction form
    38,798.68/58,223.50 = 21,280.80/x
  3. Step 3: Cross multiply
    38,798.68x = 58,223.50 × 21,280.80
  4. Step 4: Simplify right side
    38,798.68x = 1,239,042,658.80
  5. Step 5: Solve for x
    x = 1,239,042,658.80/38,798.68
  6. Step 6: Final answer
    x = 31,935.18

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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.