Home / 56,027.69-77,318.21-30,877.19

Finding the Fourth Proportional to 56,027.69, 77,318.21 and 30,877.19

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Solution

The fourth proportional to 56,027.69, 77,318.21 and 30,877.19 is: 42,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,027.69 : 77,318.21 = 30,877.19 : x
  2. Step 2: Convert to fraction form
    56,027.69/77,318.21 = 30,877.19/x
  3. Step 3: Cross multiply
    56,027.69x = 77,318.21 × 30,877.19
  4. Step 4: Simplify right side
    56,027.69x = 2,387,368,519.65
  5. Step 5: Solve for x
    x = 2,387,368,519.65/56,027.69
  6. Step 6: Final answer
    x = 42,610.52

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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.