Home / 34,415.69-47,490.84-19,306.31

Finding the Fourth Proportional to 34,415.69, 47,490.84 and 19,306.31

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Solution

The fourth proportional to 34,415.69, 47,490.84 and 19,306.31 is: 26,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,415.69 : 47,490.84 = 19,306.31 : x
  2. Step 2: Convert to fraction form
    34,415.69/47,490.84 = 19,306.31/x
  3. Step 3: Cross multiply
    34,415.69x = 47,490.84 × 19,306.31
  4. Step 4: Simplify right side
    34,415.69x = 916,872,641.75
  5. Step 5: Solve for x
    x = 916,872,641.75/34,415.69
  6. Step 6: Final answer
    x = 26,641.13

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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.