Home / 53,322.30-79,983.45-31,160.70

Finding the Fourth Proportional to 53,322.30, 79,983.45 and 31,160.70

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Solution

The fourth proportional to 53,322.30, 79,983.45 and 31,160.70 is: 46,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.30 : 79,983.45 = 31,160.70 : x
  2. Step 2: Convert to fraction form
    53,322.30/79,983.45 = 31,160.70/x
  3. Step 3: Cross multiply
    53,322.30x = 79,983.45 × 31,160.70
  4. Step 4: Simplify right side
    53,322.30x = 2,492,340,290.42
  5. Step 5: Solve for x
    x = 2,492,340,290.42/53,322.30
  6. Step 6: Final answer
    x = 46,741.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.