Home / 55,625.85-76,744.79-31,423.28

Finding the Fourth Proportional to 55,625.85, 76,744.79 and 31,423.28

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Solution

The fourth proportional to 55,625.85, 76,744.79 and 31,423.28 is: 43,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.85 : 76,744.79 = 31,423.28 : x
  2. Step 2: Convert to fraction form
    55,625.85/76,744.79 = 31,423.28/x
  3. Step 3: Cross multiply
    55,625.85x = 76,744.79 × 31,423.28
  4. Step 4: Simplify right side
    55,625.85x = 2,411,573,013.85
  5. Step 5: Solve for x
    x = 2,411,573,013.85/55,625.85
  6. Step 6: Final answer
    x = 43,353.46

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1.5x scale

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.