Home / 29,643.05-40,838.14-20,674.53

Finding the Fourth Proportional to 29,643.05, 40,838.14 and 20,674.53

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Solution

The fourth proportional to 29,643.05, 40,838.14 and 20,674.53 is: 28,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643.05 : 40,838.14 = 20,674.53 : x
  2. Step 2: Convert to fraction form
    29,643.05/40,838.14 = 20,674.53/x
  3. Step 3: Cross multiply
    29,643.05x = 40,838.14 × 20,674.53
  4. Step 4: Simplify right side
    29,643.05x = 844,309,350.57
  5. Step 5: Solve for x
    x = 844,309,350.57/29,643.05
  6. Step 6: Final answer
    x = 28,482.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.