Home / 45,059.78-67,585.35-13,886.66

Finding the Fourth Proportional to 45,059.78, 67,585.35 and 13,886.66

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Solution

The fourth proportional to 45,059.78, 67,585.35 and 13,886.66 is: 20,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,059.78 : 67,585.35 = 13,886.66 : x
  2. Step 2: Convert to fraction form
    45,059.78/67,585.35 = 13,886.66/x
  3. Step 3: Cross multiply
    45,059.78x = 67,585.35 × 13,886.66
  4. Step 4: Simplify right side
    45,059.78x = 938,534,776.43
  5. Step 5: Solve for x
    x = 938,534,776.43/45,059.78
  6. Step 6: Final answer
    x = 20,828.66

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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.