Home / 45,686.24-68,536.74-14,088.92

Finding the Fourth Proportional to 45,686.24, 68,536.74 and 14,088.92

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Solution

The fourth proportional to 45,686.24, 68,536.74 and 14,088.92 is: 21,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,686.24 : 68,536.74 = 14,088.92 : x
  2. Step 2: Convert to fraction form
    45,686.24/68,536.74 = 14,088.92/x
  3. Step 3: Cross multiply
    45,686.24x = 68,536.74 × 14,088.92
  4. Step 4: Simplify right side
    45,686.24x = 965,608,646.92
  5. Step 5: Solve for x
    x = 965,608,646.92/45,686.24
  6. Step 6: Final answer
    x = 21,135.66

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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.