Home / 64,741.31-89,336.61-36,060

Finding the Fourth Proportional to 64,741.31, 89,336.61 and 36,060

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Solution

The fourth proportional to 64,741.31, 89,336.61 and 36,060 is: 49,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,741.31 : 89,336.61 = 36,060 : x
  2. Step 2: Convert to fraction form
    64,741.31/89,336.61 = 36,060/x
  3. Step 3: Cross multiply
    64,741.31x = 89,336.61 × 36,060
  4. Step 4: Simplify right side
    64,741.31x = 3,221,478,156.60
  5. Step 5: Solve for x
    x = 3,221,478,156.60/64,741.31
  6. Step 6: Final answer
    x = 49,759.24

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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.