Home / 38,653.74-58,243.86-31,787.55

Finding the Fourth Proportional to 38,653.74, 58,243.86 and 31,787.55

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Solution

The fourth proportional to 38,653.74, 58,243.86 and 31,787.55 is: 47,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.74 : 58,243.86 = 31,787.55 : x
  2. Step 2: Convert to fraction form
    38,653.74/58,243.86 = 31,787.55/x
  3. Step 3: Cross multiply
    38,653.74x = 58,243.86 × 31,787.55
  4. Step 4: Simplify right side
    38,653.74x = 1,851,429,611.94
  5. Step 5: Solve for x
    x = 1,851,429,611.94/38,653.74
  6. Step 6: Final answer
    x = 47,897.81

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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.