Home / 64,903.12-97,384.68-25,470.70

Finding the Fourth Proportional to 64,903.12, 97,384.68 and 25,470.70

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Solution

The fourth proportional to 64,903.12, 97,384.68 and 25,470.70 is: 38,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903.12 : 97,384.68 = 25,470.70 : x
  2. Step 2: Convert to fraction form
    64,903.12/97,384.68 = 25,470.70/x
  3. Step 3: Cross multiply
    64,903.12x = 97,384.68 × 25,470.70
  4. Step 4: Simplify right side
    64,903.12x = 2,480,455,968.88
  5. Step 5: Solve for x
    x = 2,480,455,968.88/64,903.12
  6. Step 6: Final answer
    x = 38,217.82

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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.