Home / 56,674.47-78,207.69-31,176.69

Finding the Fourth Proportional to 56,674.47, 78,207.69 and 31,176.69

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Solution

The fourth proportional to 56,674.47, 78,207.69 and 31,176.69 is: 43,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,674.47 : 78,207.69 = 31,176.69 : x
  2. Step 2: Convert to fraction form
    56,674.47/78,207.69 = 31,176.69/x
  3. Step 3: Cross multiply
    56,674.47x = 78,207.69 × 31,176.69
  4. Step 4: Simplify right side
    56,674.47x = 2,438,256,906.75
  5. Step 5: Solve for x
    x = 2,438,256,906.75/56,674.47
  6. Step 6: Final answer
    x = 43,022.14

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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.