Home / 31,957.40-47,699.51-29,987.48

Finding the Fourth Proportional to 31,957.40, 47,699.51 and 29,987.48

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Solution

The fourth proportional to 31,957.40, 47,699.51 and 29,987.48 is: 44,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,957.40 : 47,699.51 = 29,987.48 : x
  2. Step 2: Convert to fraction form
    31,957.40/47,699.51 = 29,987.48/x
  3. Step 3: Cross multiply
    31,957.40x = 47,699.51 × 29,987.48
  4. Step 4: Simplify right side
    31,957.40x = 1,430,388,102.13
  5. Step 5: Solve for x
    x = 1,430,388,102.13/31,957.40
  6. Step 6: Final answer
    x = 44,759.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.