Home / 34,439.42-47,531.40-19,338.32

Finding the Fourth Proportional to 34,439.42, 47,531.40 and 19,338.32

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Solution

The fourth proportional to 34,439.42, 47,531.40 and 19,338.32 is: 26,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,439.42 : 47,531.40 = 19,338.32 : x
  2. Step 2: Convert to fraction form
    34,439.42/47,531.40 = 19,338.32/x
  3. Step 3: Cross multiply
    34,439.42x = 47,531.40 × 19,338.32
  4. Step 4: Simplify right side
    34,439.42x = 919,177,423.25
  5. Step 5: Solve for x
    x = 919,177,423.25/34,439.42
  6. Step 6: Final answer
    x = 26,689.69

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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.