Home / 55,364.16-83,057.17-20,304.12

Finding the Fourth Proportional to 55,364.16, 83,057.17 and 20,304.12

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Solution

The fourth proportional to 55,364.16, 83,057.17 and 20,304.12 is: 30,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,364.16 : 83,057.17 = 20,304.12 : x
  2. Step 2: Convert to fraction form
    55,364.16/83,057.17 = 20,304.12/x
  3. Step 3: Cross multiply
    55,364.16x = 83,057.17 × 20,304.12
  4. Step 4: Simplify right side
    55,364.16x = 1,686,402,635.22
  5. Step 5: Solve for x
    x = 1,686,402,635.22/55,364.16
  6. Step 6: Final answer
    x = 30,460.19

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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.