Home / 31,539.43-47,309.15-17,698.15

Finding the Fourth Proportional to 31,539.43, 47,309.15 and 17,698.15

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Solution

The fourth proportional to 31,539.43, 47,309.15 and 17,698.15 is: 26,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.43 : 47,309.15 = 17,698.15 : x
  2. Step 2: Convert to fraction form
    31,539.43/47,309.15 = 17,698.15/x
  3. Step 3: Cross multiply
    31,539.43x = 47,309.15 × 17,698.15
  4. Step 4: Simplify right side
    31,539.43x = 837,284,433.07
  5. Step 5: Solve for x
    x = 837,284,433.07/31,539.43
  6. Step 6: Final answer
    x = 26,547.23

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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.