Home / 37,912.15-52,301.80-21,987.35

Finding the Fourth Proportional to 37,912.15, 52,301.80 and 21,987.35

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Solution

The fourth proportional to 37,912.15, 52,301.80 and 21,987.35 is: 30,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.15 : 52,301.80 = 21,987.35 : x
  2. Step 2: Convert to fraction form
    37,912.15/52,301.80 = 21,987.35/x
  3. Step 3: Cross multiply
    37,912.15x = 52,301.80 × 21,987.35
  4. Step 4: Simplify right side
    37,912.15x = 1,149,977,944.34
  5. Step 5: Solve for x
    x = 1,149,977,944.34/37,912.15
  6. Step 6: Final answer
    x = 30,332.70

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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.