Home / 34,585.59-47,728.29-19,478.51

Finding the Fourth Proportional to 34,585.59, 47,728.29 and 19,478.51

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Solution

The fourth proportional to 34,585.59, 47,728.29 and 19,478.51 is: 26,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,585.59 : 47,728.29 = 19,478.51 : x
  2. Step 2: Convert to fraction form
    34,585.59/47,728.29 = 19,478.51/x
  3. Step 3: Cross multiply
    34,585.59x = 47,728.29 × 19,478.51
  4. Step 4: Simplify right side
    34,585.59x = 929,675,735.41
  5. Step 5: Solve for x
    x = 929,675,735.41/34,585.59
  6. Step 6: Final answer
    x = 26,880.44

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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.