Home / 38,276.91-52,823.93-21,281.43

Finding the Fourth Proportional to 38,276.91, 52,823.93 and 21,281.43

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Solution

The fourth proportional to 38,276.91, 52,823.93 and 21,281.43 is: 29,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.91 : 52,823.93 = 21,281.43 : x
  2. Step 2: Convert to fraction form
    38,276.91/52,823.93 = 21,281.43/x
  3. Step 3: Cross multiply
    38,276.91x = 52,823.93 × 21,281.43
  4. Step 4: Simplify right side
    38,276.91x = 1,124,168,768.62
  5. Step 5: Solve for x
    x = 1,124,168,768.62/38,276.91
  6. Step 6: Final answer
    x = 29,369.37

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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.