Home / 31,395.39-47,308.90-25,970.26

Finding the Fourth Proportional to 31,395.39, 47,308.90 and 25,970.26

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Solution

The fourth proportional to 31,395.39, 47,308.90 and 25,970.26 is: 39,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.39 : 47,308.90 = 25,970.26 : x
  2. Step 2: Convert to fraction form
    31,395.39/47,308.90 = 25,970.26/x
  3. Step 3: Cross multiply
    31,395.39x = 47,308.90 × 25,970.26
  4. Step 4: Simplify right side
    31,395.39x = 1,228,624,433.31
  5. Step 5: Solve for x
    x = 1,228,624,433.31/31,395.39
  6. Step 6: Final answer
    x = 39,133.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.