Home / 37,454.46-51,685.35-20,687.10

Finding the Fourth Proportional to 37,454.46, 51,685.35 and 20,687.10

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Solution

The fourth proportional to 37,454.46, 51,685.35 and 20,687.10 is: 28,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,454.46 : 51,685.35 = 20,687.10 : x
  2. Step 2: Convert to fraction form
    37,454.46/51,685.35 = 20,687.10/x
  3. Step 3: Cross multiply
    37,454.46x = 51,685.35 × 20,687.10
  4. Step 4: Simplify right side
    37,454.46x = 1,069,220,003.99
  5. Step 5: Solve for x
    x = 1,069,220,003.99/37,454.46
  6. Step 6: Final answer
    x = 28,547.20

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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.