Home / 58,921.22-81,304.70-34,720.63

Finding the Fourth Proportional to 58,921.22, 81,304.70 and 34,720.63

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Solution

The fourth proportional to 58,921.22, 81,304.70 and 34,720.63 is: 47,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,921.22 : 81,304.70 = 34,720.63 : x
  2. Step 2: Convert to fraction form
    58,921.22/81,304.70 = 34,720.63/x
  3. Step 3: Cross multiply
    58,921.22x = 81,304.70 × 34,720.63
  4. Step 4: Simplify right side
    58,921.22x = 2,822,950,029.10
  5. Step 5: Solve for x
    x = 2,822,950,029.10/58,921.22
  6. Step 6: Final answer
    x = 47,910.58

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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.