Home / 37,381.91-51,587.08-20,386.18

Finding the Fourth Proportional to 37,381.91, 51,587.08 and 20,386.18

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Solution

The fourth proportional to 37,381.91, 51,587.08 and 20,386.18 is: 28,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,381.91 : 51,587.08 = 20,386.18 : x
  2. Step 2: Convert to fraction form
    37,381.91/51,587.08 = 20,386.18/x
  3. Step 3: Cross multiply
    37,381.91x = 51,587.08 × 20,386.18
  4. Step 4: Simplify right side
    37,381.91x = 1,051,663,512.07
  5. Step 5: Solve for x
    x = 1,051,663,512.07/37,381.91
  6. Step 6: Final answer
    x = 28,132.96

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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.