Home / 45,018.14-67,506.69-18,707.18

Finding the Fourth Proportional to 45,018.14, 67,506.69 and 18,707.18

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Solution

The fourth proportional to 45,018.14, 67,506.69 and 18,707.18 is: 28,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,018.14 : 67,506.69 = 18,707.18 : x
  2. Step 2: Convert to fraction form
    45,018.14/67,506.69 = 18,707.18/x
  3. Step 3: Cross multiply
    45,018.14x = 67,506.69 × 18,707.18
  4. Step 4: Simplify right side
    45,018.14x = 1,262,859,801.03
  5. Step 5: Solve for x
    x = 1,262,859,801.03/45,018.14
  6. Step 6: Final answer
    x = 28,052.24

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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.