Home / 39,278.61-54,216.05-23,970.69

Finding the Fourth Proportional to 39,278.61, 54,216.05 and 23,970.69

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Solution

The fourth proportional to 39,278.61, 54,216.05 and 23,970.69 is: 33,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.61 : 54,216.05 = 23,970.69 : x
  2. Step 2: Convert to fraction form
    39,278.61/54,216.05 = 23,970.69/x
  3. Step 3: Cross multiply
    39,278.61x = 54,216.05 × 23,970.69
  4. Step 4: Simplify right side
    39,278.61x = 1,299,596,007.72
  5. Step 5: Solve for x
    x = 1,299,596,007.72/39,278.61
  6. Step 6: Final answer
    x = 33,086.61

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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.