Home / 56,803.29-78,394.37-34,149.66

Finding the Fourth Proportional to 56,803.29, 78,394.37 and 34,149.66

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Solution

The fourth proportional to 56,803.29, 78,394.37 and 34,149.66 is: 47,130.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,803.29 : 78,394.37 = 34,149.66 : x
  2. Step 2: Convert to fraction form
    56,803.29/78,394.37 = 34,149.66/x
  3. Step 3: Cross multiply
    56,803.29x = 78,394.37 × 34,149.66
  4. Step 4: Simplify right side
    56,803.29x = 2,677,141,081.41
  5. Step 5: Solve for x
    x = 2,677,141,081.41/56,803.29
  6. Step 6: Final answer
    x = 47,130.04

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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.