Home / 39,842.94-54,985.05-24,740.49

Finding the Fourth Proportional to 39,842.94, 54,985.05 and 24,740.49

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Solution

The fourth proportional to 39,842.94, 54,985.05 and 24,740.49 is: 34,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,842.94 : 54,985.05 = 24,740.49 : x
  2. Step 2: Convert to fraction form
    39,842.94/54,985.05 = 24,740.49/x
  3. Step 3: Cross multiply
    39,842.94x = 54,985.05 × 24,740.49
  4. Step 4: Simplify right side
    39,842.94x = 1,360,357,079.67
  5. Step 5: Solve for x
    x = 1,360,357,079.67/39,842.94
  6. Step 6: Final answer
    x = 34,142.99

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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.