Home / 37,811.78-56,719.23-11,157.77

Finding the Fourth Proportional to 37,811.78, 56,719.23 and 11,157.77

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Solution

The fourth proportional to 37,811.78, 56,719.23 and 11,157.77 is: 16,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,811.78 : 56,719.23 = 11,157.77 : x
  2. Step 2: Convert to fraction form
    37,811.78/56,719.23 = 11,157.77/x
  3. Step 3: Cross multiply
    37,811.78x = 56,719.23 × 11,157.77
  4. Step 4: Simplify right side
    37,811.78x = 632,859,981.12
  5. Step 5: Solve for x
    x = 632,859,981.12/37,811.78
  6. Step 6: Final answer
    x = 16,737.11

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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.