Home / 38,364.17-52,943.98-21,137.23

Finding the Fourth Proportional to 38,364.17, 52,943.98 and 21,137.23

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Solution

The fourth proportional to 38,364.17, 52,943.98 and 21,137.23 is: 29,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364.17 : 52,943.98 = 21,137.23 : x
  2. Step 2: Convert to fraction form
    38,364.17/52,943.98 = 21,137.23/x
  3. Step 3: Cross multiply
    38,364.17x = 52,943.98 × 21,137.23
  4. Step 4: Simplify right side
    38,364.17x = 1,119,089,082.38
  5. Step 5: Solve for x
    x = 1,119,089,082.38/38,364.17
  6. Step 6: Final answer
    x = 29,170.16

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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.