Home / 45,567.47-68,354.78-12,287.03

Finding the Fourth Proportional to 45,567.47, 68,354.78 and 12,287.03

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Solution

The fourth proportional to 45,567.47, 68,354.78 and 12,287.03 is: 18,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,567.47 : 68,354.78 = 12,287.03 : x
  2. Step 2: Convert to fraction form
    45,567.47/68,354.78 = 12,287.03/x
  3. Step 3: Cross multiply
    45,567.47x = 68,354.78 × 12,287.03
  4. Step 4: Simplify right side
    45,567.47x = 839,877,434.11
  5. Step 5: Solve for x
    x = 839,877,434.11/45,567.47
  6. Step 6: Final answer
    x = 18,431.51

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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.