Home / 64,708.26-97,061.49-20,337.72

Finding the Fourth Proportional to 64,708.26, 97,061.49 and 20,337.72

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Solution

The fourth proportional to 64,708.26, 97,061.49 and 20,337.72 is: 30,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,708.26 : 97,061.49 = 20,337.72 : x
  2. Step 2: Convert to fraction form
    64,708.26/97,061.49 = 20,337.72/x
  3. Step 3: Cross multiply
    64,708.26x = 97,061.49 × 20,337.72
  4. Step 4: Simplify right side
    64,708.26x = 1,974,009,406.40
  5. Step 5: Solve for x
    x = 1,974,009,406.40/64,708.26
  6. Step 6: Final answer
    x = 30,506.30

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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.