Home / 65,036.47-89,764.81-39,537.44

Finding the Fourth Proportional to 65,036.47, 89,764.81 and 39,537.44

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Solution

The fourth proportional to 65,036.47, 89,764.81 and 39,537.44 is: 54,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,036.47 : 89,764.81 = 39,537.44 : x
  2. Step 2: Convert to fraction form
    65,036.47/89,764.81 = 39,537.44/x
  3. Step 3: Cross multiply
    65,036.47x = 89,764.81 × 39,537.44
  4. Step 4: Simplify right side
    65,036.47x = 3,549,070,789.49
  5. Step 5: Solve for x
    x = 3,549,070,789.49/65,036.47
  6. Step 6: Final answer
    x = 54,570.47

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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.