Home / 39,606.12-59,409.18-36,981.72

Finding the Fourth Proportional to 39,606.12, 59,409.18 and 36,981.72

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Solution

The fourth proportional to 39,606.12, 59,409.18 and 36,981.72 is: 55,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,606.12 : 59,409.18 = 36,981.72 : x
  2. Step 2: Convert to fraction form
    39,606.12/59,409.18 = 36,981.72/x
  3. Step 3: Cross multiply
    39,606.12x = 59,409.18 × 36,981.72
  4. Step 4: Simplify right side
    39,606.12x = 2,197,053,660.19
  5. Step 5: Solve for x
    x = 2,197,053,660.19/39,606.12
  6. Step 6: Final answer
    x = 55,472.58

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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.