Home / 56,814.94-78,390.55-34,149.41

Finding the Fourth Proportional to 56,814.94, 78,390.55 and 34,149.41

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Solution

The fourth proportional to 56,814.94, 78,390.55 and 34,149.41 is: 47,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,814.94 : 78,390.55 = 34,149.41 : x
  2. Step 2: Convert to fraction form
    56,814.94/78,390.55 = 34,149.41/x
  3. Step 3: Cross multiply
    56,814.94x = 78,390.55 × 34,149.41
  4. Step 4: Simplify right side
    56,814.94x = 2,676,991,417.72
  5. Step 5: Solve for x
    x = 2,676,991,417.72/56,814.94
  6. Step 6: Final answer
    x = 47,117.74

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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.