Home / 40,109.77-60,125.01-19,012.78

Finding the Fourth Proportional to 40,109.77, 60,125.01 and 19,012.78

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Solution

The fourth proportional to 40,109.77, 60,125.01 and 19,012.78 is: 28,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.77 : 60,125.01 = 19,012.78 : x
  2. Step 2: Convert to fraction form
    40,109.77/60,125.01 = 19,012.78/x
  3. Step 3: Cross multiply
    40,109.77x = 60,125.01 × 19,012.78
  4. Step 4: Simplify right side
    40,109.77x = 1,143,143,587.63
  5. Step 5: Solve for x
    x = 1,143,143,587.63/40,109.77
  6. Step 6: Final answer
    x = 28,500.38

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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.