Home / 64,943.19-89,596.91-39,439.89

Finding the Fourth Proportional to 64,943.19, 89,596.91 and 39,439.89

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Solution

The fourth proportional to 64,943.19, 89,596.91 and 39,439.89 is: 54,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,943.19 : 89,596.91 = 39,439.89 : x
  2. Step 2: Convert to fraction form
    64,943.19/89,596.91 = 39,439.89/x
  3. Step 3: Cross multiply
    64,943.19x = 89,596.91 × 39,439.89
  4. Step 4: Simplify right side
    64,943.19x = 3,533,692,010.42
  5. Step 5: Solve for x
    x = 3,533,692,010.42/64,943.19
  6. Step 6: Final answer
    x = 54,412.05

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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.