Home / 64,749.38-89,360.97-37,900.58

Finding the Fourth Proportional to 64,749.38, 89,360.97 and 37,900.58

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Solution

The fourth proportional to 64,749.38, 89,360.97 and 37,900.58 is: 52,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,749.38 : 89,360.97 = 37,900.58 : x
  2. Step 2: Convert to fraction form
    64,749.38/89,360.97 = 37,900.58/x
  3. Step 3: Cross multiply
    64,749.38x = 89,360.97 × 37,900.58
  4. Step 4: Simplify right side
    64,749.38x = 3,386,832,592.36
  5. Step 5: Solve for x
    x = 3,386,832,592.36/64,749.38
  6. Step 6: Final answer
    x = 52,306.80

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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.