Home / 56,833.24-78,430.43-31,340.52

Finding the Fourth Proportional to 56,833.24, 78,430.43 and 31,340.52

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Solution

The fourth proportional to 56,833.24, 78,430.43 and 31,340.52 is: 43,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,833.24 : 78,430.43 = 31,340.52 : x
  2. Step 2: Convert to fraction form
    56,833.24/78,430.43 = 31,340.52/x
  3. Step 3: Cross multiply
    56,833.24x = 78,430.43 × 31,340.52
  4. Step 4: Simplify right side
    56,833.24x = 2,458,050,460.02
  5. Step 5: Solve for x
    x = 2,458,050,460.02/56,833.24
  6. Step 6: Final answer
    x = 43,250.23

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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.