Home / 38,938.08-58,412.02-15,242.58

Finding the Fourth Proportional to 38,938.08, 58,412.02 and 15,242.58

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Solution

The fourth proportional to 38,938.08, 58,412.02 and 15,242.58 is: 22,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.08 : 58,412.02 = 15,242.58 : x
  2. Step 2: Convert to fraction form
    38,938.08/58,412.02 = 15,242.58/x
  3. Step 3: Cross multiply
    38,938.08x = 58,412.02 × 15,242.58
  4. Step 4: Simplify right side
    38,938.08x = 890,349,887.81
  5. Step 5: Solve for x
    x = 890,349,887.81/38,938.08
  6. Step 6: Final answer
    x = 22,865.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.