Home / 38,967.78-58,477.56-14,343.78

Finding the Fourth Proportional to 38,967.78, 58,477.56 and 14,343.78

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Solution

The fourth proportional to 38,967.78, 58,477.56 and 14,343.78 is: 21,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,967.78 : 58,477.56 = 14,343.78 : x
  2. Step 2: Convert to fraction form
    38,967.78/58,477.56 = 14,343.78/x
  3. Step 3: Cross multiply
    38,967.78x = 58,477.56 × 14,343.78
  4. Step 4: Simplify right side
    38,967.78x = 838,789,255.58
  5. Step 5: Solve for x
    x = 838,789,255.58/38,967.78
  6. Step 6: Final answer
    x = 21,525.20

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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.