Home / 45,204.57-67,718.58-21,478.35

Finding the Fourth Proportional to 45,204.57, 67,718.58 and 21,478.35

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Solution

The fourth proportional to 45,204.57, 67,718.58 and 21,478.35 is: 32,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,204.57 : 67,718.58 = 21,478.35 : x
  2. Step 2: Convert to fraction form
    45,204.57/67,718.58 = 21,478.35/x
  3. Step 3: Cross multiply
    45,204.57x = 67,718.58 × 21,478.35
  4. Step 4: Simplify right side
    45,204.57x = 1,454,483,362.74
  5. Step 5: Solve for x
    x = 1,454,483,362.74/45,204.57
  6. Step 6: Final answer
    x = 32,175.58

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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.