Home / 19,401.52-29,101.70-5,362.40

Finding the Fourth Proportional to 19,401.52, 29,101.70 and 5,362.40

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Solution

The fourth proportional to 19,401.52, 29,101.70 and 5,362.40 is: 8,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.52 : 29,101.70 = 5,362.40 : x
  2. Step 2: Convert to fraction form
    19,401.52/29,101.70 = 5,362.40/x
  3. Step 3: Cross multiply
    19,401.52x = 29,101.70 × 5,362.40
  4. Step 4: Simplify right side
    19,401.52x = 156,054,956.08
  5. Step 5: Solve for x
    x = 156,054,956.08/19,401.52
  6. Step 6: Final answer
    x = 8,043.44

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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.