Home / 39,468.25-54,510.33-30,623.05

Finding the Fourth Proportional to 39,468.25, 54,510.33 and 30,623.05

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Solution

The fourth proportional to 39,468.25, 54,510.33 and 30,623.05 is: 42,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.25 : 54,510.33 = 30,623.05 : x
  2. Step 2: Convert to fraction form
    39,468.25/54,510.33 = 30,623.05/x
  3. Step 3: Cross multiply
    39,468.25x = 54,510.33 × 30,623.05
  4. Step 4: Simplify right side
    39,468.25x = 1,669,272,561.11
  5. Step 5: Solve for x
    x = 1,669,272,561.11/39,468.25
  6. Step 6: Final answer
    x = 42,294.06

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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.