Home / 38,370.42-52,946.46-21,370.50

Finding the Fourth Proportional to 38,370.42, 52,946.46 and 21,370.50

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Solution

The fourth proportional to 38,370.42, 52,946.46 and 21,370.50 is: 29,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,370.42 : 52,946.46 = 21,370.50 : x
  2. Step 2: Convert to fraction form
    38,370.42/52,946.46 = 21,370.50/x
  3. Step 3: Cross multiply
    38,370.42x = 52,946.46 × 21,370.50
  4. Step 4: Simplify right side
    38,370.42x = 1,131,492,323.43
  5. Step 5: Solve for x
    x = 1,131,492,323.43/38,370.42
  6. Step 6: Final answer
    x = 29,488.66

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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.