Home / 56,829.24-78,424.91-31,336.52

Finding the Fourth Proportional to 56,829.24, 78,424.91 and 31,336.52

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Solution

The fourth proportional to 56,829.24, 78,424.91 and 31,336.52 is: 43,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,829.24 : 78,424.91 = 31,336.52 : x
  2. Step 2: Convert to fraction form
    56,829.24/78,424.91 = 31,336.52/x
  3. Step 3: Cross multiply
    56,829.24x = 78,424.91 × 31,336.52
  4. Step 4: Simplify right side
    56,829.24x = 2,457,563,329.42
  5. Step 5: Solve for x
    x = 2,457,563,329.42/56,829.24
  6. Step 6: Final answer
    x = 43,244.70

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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.