Home / 34,585.12-47,727.66-19,681.12

Finding the Fourth Proportional to 34,585.12, 47,727.66 and 19,681.12

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Solution

The fourth proportional to 34,585.12, 47,727.66 and 19,681.12 is: 27,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,585.12 : 47,727.66 = 19,681.12 : x
  2. Step 2: Convert to fraction form
    34,585.12/47,727.66 = 19,681.12/x
  3. Step 3: Cross multiply
    34,585.12x = 47,727.66 × 19,681.12
  4. Step 4: Simplify right side
    34,585.12x = 939,333,803.78
  5. Step 5: Solve for x
    x = 939,333,803.78/34,585.12
  6. Step 6: Final answer
    x = 27,160.06

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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.