Home / 38,492.55-53,170.72-30,967.22

Finding the Fourth Proportional to 38,492.55, 53,170.72 and 30,967.22

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Solution

The fourth proportional to 38,492.55, 53,170.72 and 30,967.22 is: 42,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,492.55 : 53,170.72 = 30,967.22 : x
  2. Step 2: Convert to fraction form
    38,492.55/53,170.72 = 30,967.22/x
  3. Step 3: Cross multiply
    38,492.55x = 53,170.72 × 30,967.22
  4. Step 4: Simplify right side
    38,492.55x = 1,646,549,621.90
  5. Step 5: Solve for x
    x = 1,646,549,621.90/38,492.55
  6. Step 6: Final answer
    x = 42,775.80

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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.