Home / 39,891.36-55,054.80-23,124.96

Finding the Fourth Proportional to 39,891.36, 55,054.80 and 23,124.96

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Solution

The fourth proportional to 39,891.36, 55,054.80 and 23,124.96 is: 31,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891.36 : 55,054.80 = 23,124.96 : x
  2. Step 2: Convert to fraction form
    39,891.36/55,054.80 = 23,124.96/x
  3. Step 3: Cross multiply
    39,891.36x = 55,054.80 × 23,124.96
  4. Step 4: Simplify right side
    39,891.36x = 1,273,140,047.81
  5. Step 5: Solve for x
    x = 1,273,140,047.81/39,891.36
  6. Step 6: Final answer
    x = 31,915.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.