Home / 38,669.32-53,389.38-29,700.84

Finding the Fourth Proportional to 38,669.32, 53,389.38 and 29,700.84

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Solution

The fourth proportional to 38,669.32, 53,389.38 and 29,700.84 is: 41,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669.32 : 53,389.38 = 29,700.84 : x
  2. Step 2: Convert to fraction form
    38,669.32/53,389.38 = 29,700.84/x
  3. Step 3: Cross multiply
    38,669.32x = 53,389.38 × 29,700.84
  4. Step 4: Simplify right side
    38,669.32x = 1,585,709,433.08
  5. Step 5: Solve for x
    x = 1,585,709,433.08/38,669.32
  6. Step 6: Final answer
    x = 41,006.91

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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.