Home / 30,756.59-42,444.44-18,006.99

Finding the Fourth Proportional to 30,756.59, 42,444.44 and 18,006.99

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Solution

The fourth proportional to 30,756.59, 42,444.44 and 18,006.99 is: 24,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.59 : 42,444.44 = 18,006.99 : x
  2. Step 2: Convert to fraction form
    30,756.59/42,444.44 = 18,006.99/x
  3. Step 3: Cross multiply
    30,756.59x = 42,444.44 × 18,006.99
  4. Step 4: Simplify right side
    30,756.59x = 764,296,606.64
  5. Step 5: Solve for x
    x = 764,296,606.64/30,756.59
  6. Step 6: Final answer
    x = 24,849.85

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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.