Home / 64,482.48-96,743.16-20,113.92

Finding the Fourth Proportional to 64,482.48, 96,743.16 and 20,113.92

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Solution

The fourth proportional to 64,482.48, 96,743.16 and 20,113.92 is: 30,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,482.48 : 96,743.16 = 20,113.92 : x
  2. Step 2: Convert to fraction form
    64,482.48/96,743.16 = 20,113.92/x
  3. Step 3: Cross multiply
    64,482.48x = 96,743.16 × 20,113.92
  4. Step 4: Simplify right side
    64,482.48x = 1,945,884,180.79
  5. Step 5: Solve for x
    x = 1,945,884,180.79/64,482.48
  6. Step 6: Final answer
    x = 30,176.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.