Home / 37,141.61-51,255.02-21,008.66

Finding the Fourth Proportional to 37,141.61, 51,255.02 and 21,008.66

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Solution

The fourth proportional to 37,141.61, 51,255.02 and 21,008.66 is: 28,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141.61 : 51,255.02 = 21,008.66 : x
  2. Step 2: Convert to fraction form
    37,141.61/51,255.02 = 21,008.66/x
  3. Step 3: Cross multiply
    37,141.61x = 51,255.02 × 21,008.66
  4. Step 4: Simplify right side
    37,141.61x = 1,076,799,084.72
  5. Step 5: Solve for x
    x = 1,076,799,084.72/37,141.61
  6. Step 6: Final answer
    x = 28,991.72

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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.