Home / 30,501.27-45,759.79-17,861.70

Finding the Fourth Proportional to 30,501.27, 45,759.79 and 17,861.70

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Solution

The fourth proportional to 30,501.27, 45,759.79 and 17,861.70 is: 26,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.27 : 45,759.79 = 17,861.70 : x
  2. Step 2: Convert to fraction form
    30,501.27/45,759.79 = 17,861.70/x
  3. Step 3: Cross multiply
    30,501.27x = 45,759.79 × 17,861.70
  4. Step 4: Simplify right side
    30,501.27x = 817,347,641.04
  5. Step 5: Solve for x
    x = 817,347,641.04/30,501.27
  6. Step 6: Final answer
    x = 26,797.17

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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.