Home / 56,273.38-77,659.11-30,779.75

Finding the Fourth Proportional to 56,273.38, 77,659.11 and 30,779.75

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Solution

The fourth proportional to 56,273.38, 77,659.11 and 30,779.75 is: 42,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,273.38 : 77,659.11 = 30,779.75 : x
  2. Step 2: Convert to fraction form
    56,273.38/77,659.11 = 30,779.75/x
  3. Step 3: Cross multiply
    56,273.38x = 77,659.11 × 30,779.75
  4. Step 4: Simplify right side
    56,273.38x = 2,390,327,748.34
  5. Step 5: Solve for x
    x = 2,390,327,748.34/56,273.38
  6. Step 6: Final answer
    x = 42,477.06

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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.