Home / 38,781.72-53,510.46-22,641.69

Finding the Fourth Proportional to 38,781.72, 53,510.46 and 22,641.69

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Solution

The fourth proportional to 38,781.72, 53,510.46 and 22,641.69 is: 31,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781.72 : 53,510.46 = 22,641.69 : x
  2. Step 2: Convert to fraction form
    38,781.72/53,510.46 = 22,641.69/x
  3. Step 3: Cross multiply
    38,781.72x = 53,510.46 × 22,641.69
  4. Step 4: Simplify right side
    38,781.72x = 1,211,567,247.08
  5. Step 5: Solve for x
    x = 1,211,567,247.08/38,781.72
  6. Step 6: Final answer
    x = 31,240.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.