Home / 53,465.62-73,785.18-30,808.18

Finding the Fourth Proportional to 53,465.62, 73,785.18 and 30,808.18

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Solution

The fourth proportional to 53,465.62, 73,785.18 and 30,808.18 is: 42,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,465.62 : 73,785.18 = 30,808.18 : x
  2. Step 2: Convert to fraction form
    53,465.62/73,785.18 = 30,808.18/x
  3. Step 3: Cross multiply
    53,465.62x = 73,785.18 × 30,808.18
  4. Step 4: Simplify right side
    53,465.62x = 2,273,187,106.77
  5. Step 5: Solve for x
    x = 2,273,187,106.77/53,465.62
  6. Step 6: Final answer
    x = 42,516.80

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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.