Home / 30,980.22-42,711.51-24,628.20

Finding the Fourth Proportional to 30,980.22, 42,711.51 and 24,628.20

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Solution

The fourth proportional to 30,980.22, 42,711.51 and 24,628.20 is: 33,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.22 : 42,711.51 = 24,628.20 : x
  2. Step 2: Convert to fraction form
    30,980.22/42,711.51 = 24,628.20/x
  3. Step 3: Cross multiply
    30,980.22x = 42,711.51 × 24,628.20
  4. Step 4: Simplify right side
    30,980.22x = 1,051,907,610.58
  5. Step 5: Solve for x
    x = 1,051,907,610.58/30,980.22
  6. Step 6: Final answer
    x = 33,954.17

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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.