Home / 45,239.68-62,389.84-28,245.48

Finding the Fourth Proportional to 45,239.68, 62,389.84 and 28,245.48

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Solution

The fourth proportional to 45,239.68, 62,389.84 and 28,245.48 is: 38,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,239.68 : 62,389.84 = 28,245.48 : x
  2. Step 2: Convert to fraction form
    45,239.68/62,389.84 = 28,245.48/x
  3. Step 3: Cross multiply
    45,239.68x = 62,389.84 × 28,245.48
  4. Step 4: Simplify right side
    45,239.68x = 1,762,230,977.92
  5. Step 5: Solve for x
    x = 1,762,230,977.92/45,239.68
  6. Step 6: Final answer
    x = 38,953.21

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1.5x scale

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.