Home / 64,578.24-89,119.05-35,507.84

Finding the Fourth Proportional to 64,578.24, 89,119.05 and 35,507.84

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Solution

The fourth proportional to 64,578.24, 89,119.05 and 35,507.84 is: 49,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,578.24 : 89,119.05 = 35,507.84 : x
  2. Step 2: Convert to fraction form
    64,578.24/89,119.05 = 35,507.84/x
  3. Step 3: Cross multiply
    64,578.24x = 89,119.05 × 35,507.84
  4. Step 4: Simplify right side
    64,578.24x = 3,164,424,345.22
  5. Step 5: Solve for x
    x = 3,164,424,345.22/64,578.24
  6. Step 6: Final answer
    x = 49,001.40

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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.