Home / 30,560.36-42,163.32-17,810.62

Finding the Fourth Proportional to 30,560.36, 42,163.32 and 17,810.62

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Solution

The fourth proportional to 30,560.36, 42,163.32 and 17,810.62 is: 24,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,560.36 : 42,163.32 = 17,810.62 : x
  2. Step 2: Convert to fraction form
    30,560.36/42,163.32 = 17,810.62/x
  3. Step 3: Cross multiply
    30,560.36x = 42,163.32 × 17,810.62
  4. Step 4: Simplify right side
    30,560.36x = 750,954,870.46
  5. Step 5: Solve for x
    x = 750,954,870.46/30,560.36
  6. Step 6: Final answer
    x = 24,572.84

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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.