Home / 64,839.07-97,266.71-20,459.31

Finding the Fourth Proportional to 64,839.07, 97,266.71 and 20,459.31

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Solution

The fourth proportional to 64,839.07, 97,266.71 and 20,459.31 is: 30,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,839.07 : 97,266.71 = 20,459.31 : x
  2. Step 2: Convert to fraction form
    64,839.07/97,266.71 = 20,459.31/x
  3. Step 3: Cross multiply
    64,839.07x = 97,266.71 × 20,459.31
  4. Step 4: Simplify right side
    64,839.07x = 1,990,009,772.57
  5. Step 5: Solve for x
    x = 1,990,009,772.57/64,839.07
  6. Step 6: Final answer
    x = 30,691.52

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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.