Home / 34,760.65-47,972.15-19,653.45

Finding the Fourth Proportional to 34,760.65, 47,972.15 and 19,653.45

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Solution

The fourth proportional to 34,760.65, 47,972.15 and 19,653.45 is: 27,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,760.65 : 47,972.15 = 19,653.45 : x
  2. Step 2: Convert to fraction form
    34,760.65/47,972.15 = 19,653.45/x
  3. Step 3: Cross multiply
    34,760.65x = 47,972.15 × 19,653.45
  4. Step 4: Simplify right side
    34,760.65x = 942,818,153.15
  5. Step 5: Solve for x
    x = 942,818,153.15/34,760.65
  6. Step 6: Final answer
    x = 27,123.15

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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.