Home / 30,552.31-42,150-17,803.59

Finding the Fourth Proportional to 30,552.31, 42,150 and 17,803.59

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Solution

The fourth proportional to 30,552.31, 42,150 and 17,803.59 is: 24,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552.31 : 42,150 = 17,803.59 : x
  2. Step 2: Convert to fraction form
    30,552.31/42,150 = 17,803.59/x
  3. Step 3: Cross multiply
    30,552.31x = 42,150 × 17,803.59
  4. Step 4: Simplify right side
    30,552.31x = 750,421,318.50
  5. Step 5: Solve for x
    x = 750,421,318.50/30,552.31
  6. Step 6: Final answer
    x = 24,561.85

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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.