Home / 31,030.59-46,463.25-21,189.09

Finding the Fourth Proportional to 31,030.59, 46,463.25 and 21,189.09

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Solution

The fourth proportional to 31,030.59, 46,463.25 and 21,189.09 is: 31,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030.59 : 46,463.25 = 21,189.09 : x
  2. Step 2: Convert to fraction form
    31,030.59/46,463.25 = 21,189.09/x
  3. Step 3: Cross multiply
    31,030.59x = 46,463.25 × 21,189.09
  4. Step 4: Simplify right side
    31,030.59x = 984,513,985.94
  5. Step 5: Solve for x
    x = 984,513,985.94/31,030.59
  6. Step 6: Final answer
    x = 31,727.21

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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.