Home / 61,570.85-84,927.30-42,451.43

Finding the Fourth Proportional to 61,570.85, 84,927.30 and 42,451.43

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Solution

The fourth proportional to 61,570.85, 84,927.30 and 42,451.43 is: 58,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,570.85 : 84,927.30 = 42,451.43 : x
  2. Step 2: Convert to fraction form
    61,570.85/84,927.30 = 42,451.43/x
  3. Step 3: Cross multiply
    61,570.85x = 84,927.30 × 42,451.43
  4. Step 4: Simplify right side
    61,570.85x = 3,605,284,906.40
  5. Step 5: Solve for x
    x = 3,605,284,906.40/61,570.85
  6. Step 6: Final answer
    x = 58,555.07

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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.