Home / 56,733.31-78,280.10-32,858.56

Finding the Fourth Proportional to 56,733.31, 78,280.10 and 32,858.56

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Solution

The fourth proportional to 56,733.31, 78,280.10 and 32,858.56 is: 45,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,733.31 : 78,280.10 = 32,858.56 : x
  2. Step 2: Convert to fraction form
    56,733.31/78,280.10 = 32,858.56/x
  3. Step 3: Cross multiply
    56,733.31x = 78,280.10 × 32,858.56
  4. Step 4: Simplify right side
    56,733.31x = 2,572,170,971.26
  5. Step 5: Solve for x
    x = 2,572,170,971.26/56,733.31
  6. Step 6: Final answer
    x = 45,337.94

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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.