Home / 37,008.60-51,071.76-20,012.78

Finding the Fourth Proportional to 37,008.60, 51,071.76 and 20,012.78

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Solution

The fourth proportional to 37,008.60, 51,071.76 and 20,012.78 is: 27,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,008.60 : 51,071.76 = 20,012.78 : x
  2. Step 2: Convert to fraction form
    37,008.60/51,071.76 = 20,012.78/x
  3. Step 3: Cross multiply
    37,008.60x = 51,071.76 × 20,012.78
  4. Step 4: Simplify right side
    37,008.60x = 1,022,088,024.77
  5. Step 5: Solve for x
    x = 1,022,088,024.77/37,008.60
  6. Step 6: Final answer
    x = 27,617.58

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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.