Home / 64,717.45-97,076.10-20,348.08

Finding the Fourth Proportional to 64,717.45, 97,076.10 and 20,348.08

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Solution

The fourth proportional to 64,717.45, 97,076.10 and 20,348.08 is: 30,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,717.45 : 97,076.10 = 20,348.08 : x
  2. Step 2: Convert to fraction form
    64,717.45/97,076.10 = 20,348.08/x
  3. Step 3: Cross multiply
    64,717.45x = 97,076.10 × 20,348.08
  4. Step 4: Simplify right side
    64,717.45x = 1,975,312,248.89
  5. Step 5: Solve for x
    x = 1,975,312,248.89/64,717.45
  6. Step 6: Final answer
    x = 30,522.10

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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.