Home / 45,921.42-68,873.85-12,637.17

Finding the Fourth Proportional to 45,921.42, 68,873.85 and 12,637.17

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Solution

The fourth proportional to 45,921.42, 68,873.85 and 12,637.17 is: 18,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,921.42 : 68,873.85 = 12,637.17 : x
  2. Step 2: Convert to fraction form
    45,921.42/68,873.85 = 12,637.17/x
  3. Step 3: Cross multiply
    45,921.42x = 68,873.85 × 12,637.17
  4. Step 4: Simplify right side
    45,921.42x = 870,370,551.00
  5. Step 5: Solve for x
    x = 870,370,551.00/45,921.42
  6. Step 6: Final answer
    x = 18,953.48

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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.