Home / 37,454.76-51,686.58-20,687.40

Finding the Fourth Proportional to 37,454.76, 51,686.58 and 20,687.40

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Solution

The fourth proportional to 37,454.76, 51,686.58 and 20,687.40 is: 28,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,454.76 : 51,686.58 = 20,687.40 : x
  2. Step 2: Convert to fraction form
    37,454.76/51,686.58 = 20,687.40/x
  3. Step 3: Cross multiply
    37,454.76x = 51,686.58 × 20,687.40
  4. Step 4: Simplify right side
    37,454.76x = 1,069,260,955.09
  5. Step 5: Solve for x
    x = 1,069,260,955.09/37,454.76
  6. Step 6: Final answer
    x = 28,548.07

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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.