Home / 37,042.08-51,119.36-20,275.20

Finding the Fourth Proportional to 37,042.08, 51,119.36 and 20,275.20

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Solution

The fourth proportional to 37,042.08, 51,119.36 and 20,275.20 is: 27,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,042.08 : 51,119.36 = 20,275.20 : x
  2. Step 2: Convert to fraction form
    37,042.08/51,119.36 = 20,275.20/x
  3. Step 3: Cross multiply
    37,042.08x = 51,119.36 × 20,275.20
  4. Step 4: Simplify right side
    37,042.08x = 1,036,455,247.87
  5. Step 5: Solve for x
    x = 1,036,455,247.87/37,042.08
  6. Step 6: Final answer
    x = 27,980.48

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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.