Home / 40,108.77-60,123.51-19,011.78

Finding the Fourth Proportional to 40,108.77, 60,123.51 and 19,011.78

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Solution

The fourth proportional to 40,108.77, 60,123.51 and 19,011.78 is: 28,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108.77 : 60,123.51 = 19,011.78 : x
  2. Step 2: Convert to fraction form
    40,108.77/60,123.51 = 19,011.78/x
  3. Step 3: Cross multiply
    40,108.77x = 60,123.51 × 19,011.78
  4. Step 4: Simplify right side
    40,108.77x = 1,143,054,944.95
  5. Step 5: Solve for x
    x = 1,143,054,944.95/40,108.77
  6. Step 6: Final answer
    x = 28,498.88

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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.