Home / 30,346.76-41,904.36-19,035.20

Finding the Fourth Proportional to 30,346.76, 41,904.36 and 19,035.20

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Solution

The fourth proportional to 30,346.76, 41,904.36 and 19,035.20 is: 26,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.76 : 41,904.36 = 19,035.20 : x
  2. Step 2: Convert to fraction form
    30,346.76/41,904.36 = 19,035.20/x
  3. Step 3: Cross multiply
    30,346.76x = 41,904.36 × 19,035.20
  4. Step 4: Simplify right side
    30,346.76x = 797,657,873.47
  5. Step 5: Solve for x
    x = 797,657,873.47/30,346.76
  6. Step 6: Final answer
    x = 26,284.78

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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.