Home / 37,420.08-56,139.42-11,124.78

Finding the Fourth Proportional to 37,420.08, 56,139.42 and 11,124.78

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Solution

The fourth proportional to 37,420.08, 56,139.42 and 11,124.78 is: 16,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.08 : 56,139.42 = 11,124.78 : x
  2. Step 2: Convert to fraction form
    37,420.08/56,139.42 = 11,124.78/x
  3. Step 3: Cross multiply
    37,420.08x = 56,139.42 × 11,124.78
  4. Step 4: Simplify right side
    37,420.08x = 624,538,696.83
  5. Step 5: Solve for x
    x = 624,538,696.83/37,420.08
  6. Step 6: Final answer
    x = 16,689.93

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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.