Home / 30,673.20-45,785.95-26,318.64

Finding the Fourth Proportional to 30,673.20, 45,785.95 and 26,318.64

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Solution

The fourth proportional to 30,673.20, 45,785.95 and 26,318.64 is: 39,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,673.20 : 45,785.95 = 26,318.64 : x
  2. Step 2: Convert to fraction form
    30,673.20/45,785.95 = 26,318.64/x
  3. Step 3: Cross multiply
    30,673.20x = 45,785.95 × 26,318.64
  4. Step 4: Simplify right side
    30,673.20x = 1,205,023,803.51
  5. Step 5: Solve for x
    x = 1,205,023,803.51/30,673.20
  6. Step 6: Final answer
    x = 39,285.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.