Home / 45,868.16-68,808.36-18,159.68

Finding the Fourth Proportional to 45,868.16, 68,808.36 and 18,159.68

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Solution

The fourth proportional to 45,868.16, 68,808.36 and 18,159.68 is: 27,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,868.16 : 68,808.36 = 18,159.68 : x
  2. Step 2: Convert to fraction form
    45,868.16/68,808.36 = 18,159.68/x
  3. Step 3: Cross multiply
    45,868.16x = 68,808.36 × 18,159.68
  4. Step 4: Simplify right side
    45,868.16x = 1,249,537,798.92
  5. Step 5: Solve for x
    x = 1,249,537,798.92/45,868.16
  6. Step 6: Final answer
    x = 27,241.94

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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.