Home / 31,800.40-43,937.04-23,868.88

Finding the Fourth Proportional to 31,800.40, 43,937.04 and 23,868.88

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Solution

The fourth proportional to 31,800.40, 43,937.04 and 23,868.88 is: 32,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.40 : 43,937.04 = 23,868.88 : x
  2. Step 2: Convert to fraction form
    31,800.40/43,937.04 = 23,868.88/x
  3. Step 3: Cross multiply
    31,800.40x = 43,937.04 × 23,868.88
  4. Step 4: Simplify right side
    31,800.40x = 1,048,727,935.32
  5. Step 5: Solve for x
    x = 1,048,727,935.32/31,800.40
  6. Step 6: Final answer
    x = 32,978.45

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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.