Home / 64,926.12-97,406.47-20,553.78

Finding the Fourth Proportional to 64,926.12, 97,406.47 and 20,553.78

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Solution

The fourth proportional to 64,926.12, 97,406.47 and 20,553.78 is: 30,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,926.12 : 97,406.47 = 20,553.78 : x
  2. Step 2: Convert to fraction form
    64,926.12/97,406.47 = 20,553.78/x
  3. Step 3: Cross multiply
    64,926.12x = 97,406.47 × 20,553.78
  4. Step 4: Simplify right side
    64,926.12x = 2,002,071,430.31
  5. Step 5: Solve for x
    x = 2,002,071,430.31/64,926.12
  6. Step 6: Final answer
    x = 30,836.15

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1.5x scale

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.