Home / 63,036.90-86,991.45-34,742.66

Finding the Fourth Proportional to 63,036.90, 86,991.45 and 34,742.66

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Solution

The fourth proportional to 63,036.90, 86,991.45 and 34,742.66 is: 47,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,036.90 : 86,991.45 = 34,742.66 : x
  2. Step 2: Convert to fraction form
    63,036.90/86,991.45 = 34,742.66/x
  3. Step 3: Cross multiply
    63,036.90x = 86,991.45 × 34,742.66
  4. Step 4: Simplify right side
    63,036.90x = 3,022,314,370.26
  5. Step 5: Solve for x
    x = 3,022,314,370.26/63,036.90
  6. Step 6: Final answer
    x = 47,945.16

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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.