Home / 37,149.60-51,266.02-20,382.60

Finding the Fourth Proportional to 37,149.60, 51,266.02 and 20,382.60

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Solution

The fourth proportional to 37,149.60, 51,266.02 and 20,382.60 is: 28,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.60 : 51,266.02 = 20,382.60 : x
  2. Step 2: Convert to fraction form
    37,149.60/51,266.02 = 20,382.60/x
  3. Step 3: Cross multiply
    37,149.60x = 51,266.02 × 20,382.60
  4. Step 4: Simplify right side
    37,149.60x = 1,044,934,779.25
  5. Step 5: Solve for x
    x = 1,044,934,779.25/37,149.60
  6. Step 6: Final answer
    x = 28,127.75

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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.