Home / 37,454.96-51,686.04-20,687.60

Finding the Fourth Proportional to 37,454.96, 51,686.04 and 20,687.60

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Solution

The fourth proportional to 37,454.96, 51,686.04 and 20,687.60 is: 28,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,454.96 : 51,686.04 = 20,687.60 : x
  2. Step 2: Convert to fraction form
    37,454.96/51,686.04 = 20,687.60/x
  3. Step 3: Cross multiply
    37,454.96x = 51,686.04 × 20,687.60
  4. Step 4: Simplify right side
    37,454.96x = 1,069,260,121.10
  5. Step 5: Solve for x
    x = 1,069,260,121.10/37,454.96
  6. Step 6: Final answer
    x = 28,547.89

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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.