Home / 56,434.54-77,702.34-47,918.74

Finding the Fourth Proportional to 56,434.54, 77,702.34 and 47,918.74

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Solution

The fourth proportional to 56,434.54, 77,702.34 and 47,918.74 is: 65,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,434.54 : 77,702.34 = 47,918.74 : x
  2. Step 2: Convert to fraction form
    56,434.54/77,702.34 = 47,918.74/x
  3. Step 3: Cross multiply
    56,434.54x = 77,702.34 × 47,918.74
  4. Step 4: Simplify right side
    56,434.54x = 3,723,398,227.85
  5. Step 5: Solve for x
    x = 3,723,398,227.85/56,434.54
  6. Step 6: Final answer
    x = 65,977.29

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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.