Home / 55,396.71-83,095.47-20,336.40

Finding the Fourth Proportional to 55,396.71, 83,095.47 and 20,336.40

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Solution

The fourth proportional to 55,396.71, 83,095.47 and 20,336.40 is: 30,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,396.71 : 83,095.47 = 20,336.40 : x
  2. Step 2: Convert to fraction form
    55,396.71/83,095.47 = 20,336.40/x
  3. Step 3: Cross multiply
    55,396.71x = 83,095.47 × 20,336.40
  4. Step 4: Simplify right side
    55,396.71x = 1,689,862,716.11
  5. Step 5: Solve for x
    x = 1,689,862,716.11/55,396.71
  6. Step 6: Final answer
    x = 30,504.75

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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.