Home / 72,799.39-109,225.36-25,421.46

Finding the Fourth Proportional to 72,799.39, 109,225.36 and 25,421.46

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Solution

The fourth proportional to 72,799.39, 109,225.36 and 25,421.46 is: 38,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,799.39 : 109,225.36 = 25,421.46 : x
  2. Step 2: Convert to fraction form
    72,799.39/109,225.36 = 25,421.46/x
  3. Step 3: Cross multiply
    72,799.39x = 109,225.36 × 25,421.46
  4. Step 4: Simplify right side
    72,799.39x = 2,776,668,120.23
  5. Step 5: Solve for x
    x = 2,776,668,120.23/72,799.39
  6. Step 6: Final answer
    x = 38,141.37

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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.