Home / 45,357.61-68,023.43-13,758.19

Finding the Fourth Proportional to 45,357.61, 68,023.43 and 13,758.19

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Solution

The fourth proportional to 45,357.61, 68,023.43 and 13,758.19 is: 20,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,357.61 : 68,023.43 = 13,758.19 : x
  2. Step 2: Convert to fraction form
    45,357.61/68,023.43 = 13,758.19/x
  3. Step 3: Cross multiply
    45,357.61x = 68,023.43 × 13,758.19
  4. Step 4: Simplify right side
    45,357.61x = 935,879,274.39
  5. Step 5: Solve for x
    x = 935,879,274.39/45,357.61
  6. Step 6: Final answer
    x = 20,633.35

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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.