Home / 30,940.27-46,417.15-17,619.56

Finding the Fourth Proportional to 30,940.27, 46,417.15 and 17,619.56

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Solution

The fourth proportional to 30,940.27, 46,417.15 and 17,619.56 is: 26,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.27 : 46,417.15 = 17,619.56 : x
  2. Step 2: Convert to fraction form
    30,940.27/46,417.15 = 17,619.56/x
  3. Step 3: Cross multiply
    30,940.27x = 46,417.15 × 17,619.56
  4. Step 4: Simplify right side
    30,940.27x = 817,849,483.32
  5. Step 5: Solve for x
    x = 817,849,483.32/30,940.27
  6. Step 6: Final answer
    x = 26,433.17

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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.