Home / 31,920.51-47,809.47-23,135.25

Finding the Fourth Proportional to 31,920.51, 47,809.47 and 23,135.25

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Solution

The fourth proportional to 31,920.51, 47,809.47 and 23,135.25 is: 34,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920.51 : 47,809.47 = 23,135.25 : x
  2. Step 2: Convert to fraction form
    31,920.51/47,809.47 = 23,135.25/x
  3. Step 3: Cross multiply
    31,920.51x = 47,809.47 × 23,135.25
  4. Step 4: Simplify right side
    31,920.51x = 1,106,084,040.82
  5. Step 5: Solve for x
    x = 1,106,084,040.82/31,920.51
  6. Step 6: Final answer
    x = 34,651.20

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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.