Home / 34,585.32-47,728.62-19,478.46

Finding the Fourth Proportional to 34,585.32, 47,728.62 and 19,478.46

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Solution

The fourth proportional to 34,585.32, 47,728.62 and 19,478.46 is: 26,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,585.32 : 47,728.62 = 19,478.46 : x
  2. Step 2: Convert to fraction form
    34,585.32/47,728.62 = 19,478.46/x
  3. Step 3: Cross multiply
    34,585.32x = 47,728.62 × 19,478.46
  4. Step 4: Simplify right side
    34,585.32x = 929,680,015.53
  5. Step 5: Solve for x
    x = 929,680,015.53/34,585.32
  6. Step 6: Final answer
    x = 26,880.77

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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.