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Finding the Fourth Proportional to 60,357.91, 90,537.54 and 18,238.34

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Solution

The fourth proportional to 60,357.91, 90,537.54 and 18,238.34 is: 27,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,357.91 : 90,537.54 = 18,238.34 : x
  2. Step 2: Convert to fraction form
    60,357.91/90,537.54 = 18,238.34/x
  3. Step 3: Cross multiply
    60,357.91x = 90,537.54 × 18,238.34
  4. Step 4: Simplify right side
    60,357.91x = 1,651,254,437.28
  5. Step 5: Solve for x
    x = 1,651,254,437.28/60,357.91
  6. Step 6: Final answer
    x = 27,357.71

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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.