Home / 38,935.53-53,756.69-29,967.21

Finding the Fourth Proportional to 38,935.53, 53,756.69 and 29,967.21

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Solution

The fourth proportional to 38,935.53, 53,756.69 and 29,967.21 is: 41,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,935.53 : 53,756.69 = 29,967.21 : x
  2. Step 2: Convert to fraction form
    38,935.53/53,756.69 = 29,967.21/x
  3. Step 3: Cross multiply
    38,935.53x = 53,756.69 × 29,967.21
  4. Step 4: Simplify right side
    38,935.53x = 1,610,937,868.30
  5. Step 5: Solve for x
    x = 1,610,937,868.30/38,935.53
  6. Step 6: Final answer
    x = 41,374.49

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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.