Home / 56,803.10-78,394.11-34,149.47

Finding the Fourth Proportional to 56,803.10, 78,394.11 and 34,149.47

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Solution

The fourth proportional to 56,803.10, 78,394.11 and 34,149.47 is: 47,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,803.10 : 78,394.11 = 34,149.47 : x
  2. Step 2: Convert to fraction form
    56,803.10/78,394.11 = 34,149.47/x
  3. Step 3: Cross multiply
    56,803.10x = 78,394.11 × 34,149.47
  4. Step 4: Simplify right side
    56,803.10x = 2,677,117,307.62
  5. Step 5: Solve for x
    x = 2,677,117,307.62/56,803.10
  6. Step 6: Final answer
    x = 47,129.77

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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.