Home / 37,720.43-52,053.98-20,492.65

Finding the Fourth Proportional to 37,720.43, 52,053.98 and 20,492.65

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Solution

The fourth proportional to 37,720.43, 52,053.98 and 20,492.65 is: 28,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720.43 : 52,053.98 = 20,492.65 : x
  2. Step 2: Convert to fraction form
    37,720.43/52,053.98 = 20,492.65/x
  3. Step 3: Cross multiply
    37,720.43x = 52,053.98 × 20,492.65
  4. Step 4: Simplify right side
    37,720.43x = 1,066,723,993.25
  5. Step 5: Solve for x
    x = 1,066,723,993.25/37,720.43
  6. Step 6: Final answer
    x = 28,279.74

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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.