Home / 56,433.60-84,642.57-39,515.31

Finding the Fourth Proportional to 56,433.60, 84,642.57 and 39,515.31

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Solution

The fourth proportional to 56,433.60, 84,642.57 and 39,515.31 is: 59,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,433.60 : 84,642.57 = 39,515.31 : x
  2. Step 2: Convert to fraction form
    56,433.60/84,642.57 = 39,515.31/x
  3. Step 3: Cross multiply
    56,433.60x = 84,642.57 × 39,515.31
  4. Step 4: Simplify right side
    56,433.60x = 3,344,677,392.75
  5. Step 5: Solve for x
    x = 3,344,677,392.75/56,433.60
  6. Step 6: Final answer
    x = 59,267.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.