Home / 64,814.27-97,221.42-20,444.49

Finding the Fourth Proportional to 64,814.27, 97,221.42 and 20,444.49

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Solution

The fourth proportional to 64,814.27, 97,221.42 and 20,444.49 is: 30,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,814.27 : 97,221.42 = 20,444.49 : x
  2. Step 2: Convert to fraction form
    64,814.27/97,221.42 = 20,444.49/x
  3. Step 3: Cross multiply
    64,814.27x = 97,221.42 × 20,444.49
  4. Step 4: Simplify right side
    64,814.27x = 1,987,642,348.98
  5. Step 5: Solve for x
    x = 1,987,642,348.98/64,814.27
  6. Step 6: Final answer
    x = 30,666.74

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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.