Home / 55,631.12-83,465.28-18,192.92

Finding the Fourth Proportional to 55,631.12, 83,465.28 and 18,192.92

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Solution

The fourth proportional to 55,631.12, 83,465.28 and 18,192.92 is: 27,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.12 : 83,465.28 = 18,192.92 : x
  2. Step 2: Convert to fraction form
    55,631.12/83,465.28 = 18,192.92/x
  3. Step 3: Cross multiply
    55,631.12x = 83,465.28 × 18,192.92
  4. Step 4: Simplify right side
    55,631.12x = 1,518,477,161.82
  5. Step 5: Solve for x
    x = 1,518,477,161.82/55,631.12
  6. Step 6: Final answer
    x = 27,295.46

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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.