Home / 45,356.44-67,921.48-28,666.12

Finding the Fourth Proportional to 45,356.44, 67,921.48 and 28,666.12

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Solution

The fourth proportional to 45,356.44, 67,921.48 and 28,666.12 is: 42,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356.44 : 67,921.48 = 28,666.12 : x
  2. Step 2: Convert to fraction form
    45,356.44/67,921.48 = 28,666.12/x
  3. Step 3: Cross multiply
    45,356.44x = 67,921.48 × 28,666.12
  4. Step 4: Simplify right side
    45,356.44x = 1,947,045,296.26
  5. Step 5: Solve for x
    x = 1,947,045,296.26/45,356.44
  6. Step 6: Final answer
    x = 42,927.65

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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.