Home / 38,370.16-52,953.24-21,604.24

Finding the Fourth Proportional to 38,370.16, 52,953.24 and 21,604.24

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Solution

The fourth proportional to 38,370.16, 52,953.24 and 21,604.24 is: 29,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,370.16 : 52,953.24 = 21,604.24 : x
  2. Step 2: Convert to fraction form
    38,370.16/52,953.24 = 21,604.24/x
  3. Step 3: Cross multiply
    38,370.16x = 52,953.24 × 21,604.24
  4. Step 4: Simplify right side
    38,370.16x = 1,144,014,505.74
  5. Step 5: Solve for x
    x = 1,144,014,505.74/38,370.16
  6. Step 6: Final answer
    x = 29,815.21

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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.