Home / 37,275.01-51,440.47-20,280.20

Finding the Fourth Proportional to 37,275.01, 51,440.47 and 20,280.20

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Solution

The fourth proportional to 37,275.01, 51,440.47 and 20,280.20 is: 27,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,275.01 : 51,440.47 = 20,280.20 : x
  2. Step 2: Convert to fraction form
    37,275.01/51,440.47 = 20,280.20/x
  3. Step 3: Cross multiply
    37,275.01x = 51,440.47 × 20,280.20
  4. Step 4: Simplify right side
    37,275.01x = 1,043,223,019.69
  5. Step 5: Solve for x
    x = 1,043,223,019.69/37,275.01
  6. Step 6: Final answer
    x = 27,987.20

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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.