Home / 38,967.48-58,374.32-20,259.72

Finding the Fourth Proportional to 38,967.48, 58,374.32 and 20,259.72

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Solution

The fourth proportional to 38,967.48, 58,374.32 and 20,259.72 is: 30,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,967.48 : 58,374.32 = 20,259.72 : x
  2. Step 2: Convert to fraction form
    38,967.48/58,374.32 = 20,259.72/x
  3. Step 3: Cross multiply
    38,967.48x = 58,374.32 × 20,259.72
  4. Step 4: Simplify right side
    38,967.48x = 1,182,647,277.09
  5. Step 5: Solve for x
    x = 1,182,647,277.09/38,967.48
  6. Step 6: Final answer
    x = 30,349.60

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1.5x scale

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.