Home / 56,027.19-77,317.52-30,876.69

Finding the Fourth Proportional to 56,027.19, 77,317.52 and 30,876.69

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Solution

The fourth proportional to 56,027.19, 77,317.52 and 30,876.69 is: 42,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,027.19 : 77,317.52 = 30,876.69 : x
  2. Step 2: Convert to fraction form
    56,027.19/77,317.52 = 30,876.69/x
  3. Step 3: Cross multiply
    56,027.19x = 77,317.52 × 30,876.69
  4. Step 4: Simplify right side
    56,027.19x = 2,387,308,555.64
  5. Step 5: Solve for x
    x = 2,387,308,555.64/56,027.19
  6. Step 6: Final answer
    x = 42,609.83

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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.