Home / 64,512.56-89,036.52-36,220.16

Finding the Fourth Proportional to 64,512.56, 89,036.52 and 36,220.16

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Solution

The fourth proportional to 64,512.56, 89,036.52 and 36,220.16 is: 49,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512.56 : 89,036.52 = 36,220.16 : x
  2. Step 2: Convert to fraction form
    64,512.56/89,036.52 = 36,220.16/x
  3. Step 3: Cross multiply
    64,512.56x = 89,036.52 × 36,220.16
  4. Step 4: Simplify right side
    64,512.56x = 3,224,917,000.24
  5. Step 5: Solve for x
    x = 3,224,917,000.24/64,512.56
  6. Step 6: Final answer
    x = 49,988.98

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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.