Home / 31,903.43-47,806.63-15,240.51

Finding the Fourth Proportional to 31,903.43, 47,806.63 and 15,240.51

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Solution

The fourth proportional to 31,903.43, 47,806.63 and 15,240.51 is: 22,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.43 : 47,806.63 = 15,240.51 : x
  2. Step 2: Convert to fraction form
    31,903.43/47,806.63 = 15,240.51/x
  3. Step 3: Cross multiply
    31,903.43x = 47,806.63 × 15,240.51
  4. Step 4: Simplify right side
    31,903.43x = 728,597,384.48
  5. Step 5: Solve for x
    x = 728,597,384.48/31,903.43
  6. Step 6: Final answer
    x = 22,837.59

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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.