Home / 39,738.76-59,618.46-18,674.92

Finding the Fourth Proportional to 39,738.76, 59,618.46 and 18,674.92

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Solution

The fourth proportional to 39,738.76, 59,618.46 and 18,674.92 is: 28,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,738.76 : 59,618.46 = 18,674.92 : x
  2. Step 2: Convert to fraction form
    39,738.76/59,618.46 = 18,674.92/x
  3. Step 3: Cross multiply
    39,738.76x = 59,618.46 × 18,674.92
  4. Step 4: Simplify right side
    39,738.76x = 1,113,369,971.02
  5. Step 5: Solve for x
    x = 1,113,369,971.02/39,738.76
  6. Step 6: Final answer
    x = 28,017.23

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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.