Home / 56,415.24-77,856.66-31,266.36

Finding the Fourth Proportional to 56,415.24, 77,856.66 and 31,266.36

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Solution

The fourth proportional to 56,415.24, 77,856.66 and 31,266.36 is: 43,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,415.24 : 77,856.66 = 31,266.36 : x
  2. Step 2: Convert to fraction form
    56,415.24/77,856.66 = 31,266.36/x
  3. Step 3: Cross multiply
    56,415.24x = 77,856.66 × 31,266.36
  4. Step 4: Simplify right side
    56,415.24x = 2,434,294,359.96
  5. Step 5: Solve for x
    x = 2,434,294,359.96/56,415.24
  6. Step 6: Final answer
    x = 43,149.59

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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.