Home / 45,958.23-63,428.22-28,049.40

Finding the Fourth Proportional to 45,958.23, 63,428.22 and 28,049.40

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Solution

The fourth proportional to 45,958.23, 63,428.22 and 28,049.40 is: 38,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,958.23 : 63,428.22 = 28,049.40 : x
  2. Step 2: Convert to fraction form
    45,958.23/63,428.22 = 28,049.40/x
  3. Step 3: Cross multiply
    45,958.23x = 63,428.22 × 28,049.40
  4. Step 4: Simplify right side
    45,958.23x = 1,779,123,514.07
  5. Step 5: Solve for x
    x = 1,779,123,514.07/45,958.23
  6. Step 6: Final answer
    x = 38,711.75

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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.