Home / 45,196.20-67,805.10-21,803.40

Finding the Fourth Proportional to 45,196.20, 67,805.10 and 21,803.40

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Solution

The fourth proportional to 45,196.20, 67,805.10 and 21,803.40 is: 32,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,196.20 : 67,805.10 = 21,803.40 : x
  2. Step 2: Convert to fraction form
    45,196.20/67,805.10 = 21,803.40/x
  3. Step 3: Cross multiply
    45,196.20x = 67,805.10 × 21,803.40
  4. Step 4: Simplify right side
    45,196.20x = 1,478,381,717.34
  5. Step 5: Solve for x
    x = 1,478,381,717.34/45,196.20
  6. Step 6: Final answer
    x = 32,710.31

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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.