Home / 56,539.17-78,026.22-31,047.66

Finding the Fourth Proportional to 56,539.17, 78,026.22 and 31,047.66

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Solution

The fourth proportional to 56,539.17, 78,026.22 and 31,047.66 is: 42,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,539.17 : 78,026.22 = 31,047.66 : x
  2. Step 2: Convert to fraction form
    56,539.17/78,026.22 = 31,047.66/x
  3. Step 3: Cross multiply
    56,539.17x = 78,026.22 × 31,047.66
  4. Step 4: Simplify right side
    56,539.17x = 2,422,531,549.65
  5. Step 5: Solve for x
    x = 2,422,531,549.65/56,539.17
  6. Step 6: Final answer
    x = 42,846.96

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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.