Home / 34,405.07-47,478.80-19,091.46

Finding the Fourth Proportional to 34,405.07, 47,478.80 and 19,091.46

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Solution

The fourth proportional to 34,405.07, 47,478.80 and 19,091.46 is: 26,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,405.07 : 47,478.80 = 19,091.46 : x
  2. Step 2: Convert to fraction form
    34,405.07/47,478.80 = 19,091.46/x
  3. Step 3: Cross multiply
    34,405.07x = 47,478.80 × 19,091.46
  4. Step 4: Simplify right side
    34,405.07x = 906,439,515.59
  5. Step 5: Solve for x
    x = 906,439,515.59/34,405.07
  6. Step 6: Final answer
    x = 26,346.11

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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.