Home / 38,440.84-53,045.94-21,447.58

Finding the Fourth Proportional to 38,440.84, 53,045.94 and 21,447.58

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Solution

The fourth proportional to 38,440.84, 53,045.94 and 21,447.58 is: 29,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440.84 : 53,045.94 = 21,447.58 : x
  2. Step 2: Convert to fraction form
    38,440.84/53,045.94 = 21,447.58/x
  3. Step 3: Cross multiply
    38,440.84x = 53,045.94 × 21,447.58
  4. Step 4: Simplify right side
    38,440.84x = 1,137,707,041.83
  5. Step 5: Solve for x
    x = 1,137,707,041.83/38,440.84
  6. Step 6: Final answer
    x = 29,596.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.