Home / 45,890.04-68,661.18-27,180.12

Finding the Fourth Proportional to 45,890.04, 68,661.18 and 27,180.12

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Solution

The fourth proportional to 45,890.04, 68,661.18 and 27,180.12 is: 40,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.04 : 68,661.18 = 27,180.12 : x
  2. Step 2: Convert to fraction form
    45,890.04/68,661.18 = 27,180.12/x
  3. Step 3: Cross multiply
    45,890.04x = 68,661.18 × 27,180.12
  4. Step 4: Simplify right side
    45,890.04x = 1,866,219,111.74
  5. Step 5: Solve for x
    x = 1,866,219,111.74/45,890.04
  6. Step 6: Final answer
    x = 40,667.19

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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.