Home / 37,178.86-51,292.22-21,254.78

Finding the Fourth Proportional to 37,178.86, 51,292.22 and 21,254.78

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Solution

The fourth proportional to 37,178.86, 51,292.22 and 21,254.78 is: 29,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,178.86 : 51,292.22 = 21,254.78 : x
  2. Step 2: Convert to fraction form
    37,178.86/51,292.22 = 21,254.78/x
  3. Step 3: Cross multiply
    37,178.86x = 51,292.22 × 21,254.78
  4. Step 4: Simplify right side
    37,178.86x = 1,090,204,851.81
  5. Step 5: Solve for x
    x = 1,090,204,851.81/37,178.86
  6. Step 6: Final answer
    x = 29,323.25

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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.