Home / 38,396.65-52,991.67-21,402.45

Finding the Fourth Proportional to 38,396.65, 52,991.67 and 21,402.45

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Solution

The fourth proportional to 38,396.65, 52,991.67 and 21,402.45 is: 29,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,396.65 : 52,991.67 = 21,402.45 : x
  2. Step 2: Convert to fraction form
    38,396.65/52,991.67 = 21,402.45/x
  3. Step 3: Cross multiply
    38,396.65x = 52,991.67 × 21,402.45
  4. Step 4: Simplify right side
    38,396.65x = 1,134,151,567.59
  5. Step 5: Solve for x
    x = 1,134,151,567.59/38,396.65
  6. Step 6: Final answer
    x = 29,537.77

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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.