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Finding the Fourth Proportional to 55,063, 82,582.14 and 15,619.24

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Solution

The fourth proportional to 55,063, 82,582.14 and 15,619.24 is: 23,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,063 : 82,582.14 = 15,619.24 : x
  2. Step 2: Convert to fraction form
    55,063/82,582.14 = 15,619.24/x
  3. Step 3: Cross multiply
    55,063x = 82,582.14 × 15,619.24
  4. Step 4: Simplify right side
    55,063x = 1,289,870,264.37
  5. Step 5: Solve for x
    x = 1,289,870,264.37/55,063
  6. Step 6: Final answer
    x = 23,425.35

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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.