Home / 30,490.23-45,733.96-12,713.56

Finding the Fourth Proportional to 30,490.23, 45,733.96 and 12,713.56

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Solution

The fourth proportional to 30,490.23, 45,733.96 and 12,713.56 is: 19,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490.23 : 45,733.96 = 12,713.56 : x
  2. Step 2: Convert to fraction form
    30,490.23/45,733.96 = 12,713.56/x
  3. Step 3: Cross multiply
    30,490.23x = 45,733.96 × 12,713.56
  4. Step 4: Simplify right side
    30,490.23x = 581,441,444.50
  5. Step 5: Solve for x
    x = 581,441,444.50/30,490.23
  6. Step 6: Final answer
    x = 19,069.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.