Home / 20,085.84-30,126.46-5,295.92

Finding the Fourth Proportional to 20,085.84, 30,126.46 and 5,295.92

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Solution

The fourth proportional to 20,085.84, 30,126.46 and 5,295.92 is: 7,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085.84 : 30,126.46 = 5,295.92 : x
  2. Step 2: Convert to fraction form
    20,085.84/30,126.46 = 5,295.92/x
  3. Step 3: Cross multiply
    20,085.84x = 30,126.46 × 5,295.92
  4. Step 4: Simplify right side
    20,085.84x = 159,547,322.04
  5. Step 5: Solve for x
    x = 159,547,322.04/20,085.84
  6. Step 6: Final answer
    x = 7,943.27

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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.