Home / 31,918.24-47,946.48-26,089.12

Finding the Fourth Proportional to 31,918.24, 47,946.48 and 26,089.12

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Solution

The fourth proportional to 31,918.24, 47,946.48 and 26,089.12 is: 39,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,918.24 : 47,946.48 = 26,089.12 : x
  2. Step 2: Convert to fraction form
    31,918.24/47,946.48 = 26,089.12/x
  3. Step 3: Cross multiply
    31,918.24x = 47,946.48 × 26,089.12
  4. Step 4: Simplify right side
    31,918.24x = 1,250,881,470.30
  5. Step 5: Solve for x
    x = 1,250,881,470.30/31,918.24
  6. Step 6: Final answer
    x = 39,190.18

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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.