Home / 31,069.92-46,580.58-21,184.68

Finding the Fourth Proportional to 31,069.92, 46,580.58 and 21,184.68

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Solution

The fourth proportional to 31,069.92, 46,580.58 and 21,184.68 is: 31,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069.92 : 46,580.58 = 21,184.68 : x
  2. Step 2: Convert to fraction form
    31,069.92/46,580.58 = 21,184.68/x
  3. Step 3: Cross multiply
    31,069.92x = 46,580.58 × 21,184.68
  4. Step 4: Simplify right side
    31,069.92x = 986,794,681.51
  5. Step 5: Solve for x
    x = 986,794,681.51/31,069.92
  6. Step 6: Final answer
    x = 31,760.45

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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.