Home / 30,062.47-41,478.74-19,439.32

Finding the Fourth Proportional to 30,062.47, 41,478.74 and 19,439.32

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Solution

The fourth proportional to 30,062.47, 41,478.74 and 19,439.32 is: 26,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,062.47 : 41,478.74 = 19,439.32 : x
  2. Step 2: Convert to fraction form
    30,062.47/41,478.74 = 19,439.32/x
  3. Step 3: Cross multiply
    30,062.47x = 41,478.74 × 19,439.32
  4. Step 4: Simplify right side
    30,062.47x = 806,318,500.06
  5. Step 5: Solve for x
    x = 806,318,500.06/30,062.47
  6. Step 6: Final answer
    x = 26,821.43

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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.