Home / 43,187.61-64,790.12-18,227.68

Finding the Fourth Proportional to 43,187.61, 64,790.12 and 18,227.68

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Solution

The fourth proportional to 43,187.61, 64,790.12 and 18,227.68 is: 27,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,187.61 : 64,790.12 = 18,227.68 : x
  2. Step 2: Convert to fraction form
    43,187.61/64,790.12 = 18,227.68/x
  3. Step 3: Cross multiply
    43,187.61x = 64,790.12 × 18,227.68
  4. Step 4: Simplify right side
    43,187.61x = 1,180,973,574.52
  5. Step 5: Solve for x
    x = 1,180,973,574.52/43,187.61
  6. Step 6: Final answer
    x = 27,345.19

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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.