Home / 55,317.08-82,983.86-17,870.20

Finding the Fourth Proportional to 55,317.08, 82,983.86 and 17,870.20

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Solution

The fourth proportional to 55,317.08, 82,983.86 and 17,870.20 is: 26,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,317.08 : 82,983.86 = 17,870.20 : x
  2. Step 2: Convert to fraction form
    55,317.08/82,983.86 = 17,870.20/x
  3. Step 3: Cross multiply
    55,317.08x = 82,983.86 × 17,870.20
  4. Step 4: Simplify right side
    55,317.08x = 1,482,938,174.97
  5. Step 5: Solve for x
    x = 1,482,938,174.97/55,317.08
  6. Step 6: Final answer
    x = 26,807.96

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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.