Home / 37,947.29-56,915.58-20,855.51

Finding the Fourth Proportional to 37,947.29, 56,915.58 and 20,855.51

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Solution

The fourth proportional to 37,947.29, 56,915.58 and 20,855.51 is: 31,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,947.29 : 56,915.58 = 20,855.51 : x
  2. Step 2: Convert to fraction form
    37,947.29/56,915.58 = 20,855.51/x
  3. Step 3: Cross multiply
    37,947.29x = 56,915.58 × 20,855.51
  4. Step 4: Simplify right side
    37,947.29x = 1,187,003,163.27
  5. Step 5: Solve for x
    x = 1,187,003,163.27/37,947.29
  6. Step 6: Final answer
    x = 31,280.32

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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.