Home / 42,773.23-64,176.27-30,135.13

Finding the Fourth Proportional to 42,773.23, 64,176.27 and 30,135.13

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Solution

The fourth proportional to 42,773.23, 64,176.27 and 30,135.13 is: 45,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,773.23 : 64,176.27 = 30,135.13 : x
  2. Step 2: Convert to fraction form
    42,773.23/64,176.27 = 30,135.13/x
  3. Step 3: Cross multiply
    42,773.23x = 64,176.27 × 30,135.13
  4. Step 4: Simplify right side
    42,773.23x = 1,933,960,239.37
  5. Step 5: Solve for x
    x = 1,933,960,239.37/42,773.23
  6. Step 6: Final answer
    x = 45,214.27

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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.