Home / 38,237.79-52,769.91-21,242.05

Finding the Fourth Proportional to 38,237.79, 52,769.91 and 21,242.05

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Solution

The fourth proportional to 38,237.79, 52,769.91 and 21,242.05 is: 29,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,237.79 : 52,769.91 = 21,242.05 : x
  2. Step 2: Convert to fraction form
    38,237.79/52,769.91 = 21,242.05/x
  3. Step 3: Cross multiply
    38,237.79x = 52,769.91 × 21,242.05
  4. Step 4: Simplify right side
    38,237.79x = 1,120,941,066.72
  5. Step 5: Solve for x
    x = 1,120,941,066.72/38,237.79
  6. Step 6: Final answer
    x = 29,315.01

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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.