Home / 39,143.05-53,990.65-24,989.51

Finding the Fourth Proportional to 39,143.05, 53,990.65 and 24,989.51

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Solution

The fourth proportional to 39,143.05, 53,990.65 and 24,989.51 is: 34,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.05 : 53,990.65 = 24,989.51 : x
  2. Step 2: Convert to fraction form
    39,143.05/53,990.65 = 24,989.51/x
  3. Step 3: Cross multiply
    39,143.05x = 53,990.65 × 24,989.51
  4. Step 4: Simplify right side
    39,143.05x = 1,349,200,054.30
  5. Step 5: Solve for x
    x = 1,349,200,054.30/39,143.05
  6. Step 6: Final answer
    x = 34,468.45

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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.