Home / 40,109.45-60,162.90-19,064.63

Finding the Fourth Proportional to 40,109.45, 60,162.90 and 19,064.63

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Solution

The fourth proportional to 40,109.45, 60,162.90 and 19,064.63 is: 28,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.45 : 60,162.90 = 19,064.63 : x
  2. Step 2: Convert to fraction form
    40,109.45/60,162.90 = 19,064.63/x
  3. Step 3: Cross multiply
    40,109.45x = 60,162.90 × 19,064.63
  4. Step 4: Simplify right side
    40,109.45x = 1,146,983,428.23
  5. Step 5: Solve for x
    x = 1,146,983,428.23/40,109.45
  6. Step 6: Final answer
    x = 28,596.34

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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.