Home / 30,803.47-42,500.73-18,049.82

Finding the Fourth Proportional to 30,803.47, 42,500.73 and 18,049.82

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Solution

The fourth proportional to 30,803.47, 42,500.73 and 18,049.82 is: 24,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.47 : 42,500.73 = 18,049.82 : x
  2. Step 2: Convert to fraction form
    30,803.47/42,500.73 = 18,049.82/x
  3. Step 3: Cross multiply
    30,803.47x = 42,500.73 × 18,049.82
  4. Step 4: Simplify right side
    30,803.47x = 767,130,246.18
  5. Step 5: Solve for x
    x = 767,130,246.18/30,803.47
  6. Step 6: Final answer
    x = 24,904.02

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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.