Home / 37,707.90-52,031.10-21,789.27

Finding the Fourth Proportional to 37,707.90, 52,031.10 and 21,789.27

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Solution

The fourth proportional to 37,707.90, 52,031.10 and 21,789.27 is: 30,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,707.90 : 52,031.10 = 21,789.27 : x
  2. Step 2: Convert to fraction form
    37,707.90/52,031.10 = 21,789.27/x
  3. Step 3: Cross multiply
    37,707.90x = 52,031.10 × 21,789.27
  4. Step 4: Simplify right side
    37,707.90x = 1,133,719,686.30
  5. Step 5: Solve for x
    x = 1,133,719,686.30/37,707.90
  6. Step 6: Final answer
    x = 30,065.84

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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.