Home / 39,943.12-59,927.48-19,168.08

Finding the Fourth Proportional to 39,943.12, 59,927.48 and 19,168.08

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Solution

The fourth proportional to 39,943.12, 59,927.48 and 19,168.08 is: 28,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.12 : 59,927.48 = 19,168.08 : x
  2. Step 2: Convert to fraction form
    39,943.12/59,927.48 = 19,168.08/x
  3. Step 3: Cross multiply
    39,943.12x = 59,927.48 × 19,168.08
  4. Step 4: Simplify right side
    39,943.12x = 1,148,694,730.84
  5. Step 5: Solve for x
    x = 1,148,694,730.84/39,943.12
  6. Step 6: Final answer
    x = 28,758.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.