Home / 48,356.26-72,530.96-12,816.79

Finding the Fourth Proportional to 48,356.26, 72,530.96 and 12,816.79

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Solution

The fourth proportional to 48,356.26, 72,530.96 and 12,816.79 is: 19,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,356.26 : 72,530.96 = 12,816.79 : x
  2. Step 2: Convert to fraction form
    48,356.26/72,530.96 = 12,816.79/x
  3. Step 3: Cross multiply
    48,356.26x = 72,530.96 × 12,816.79
  4. Step 4: Simplify right side
    48,356.26x = 929,614,082.82
  5. Step 5: Solve for x
    x = 929,614,082.82/48,356.26
  6. Step 6: Final answer
    x = 19,224.28

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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.