Home / 58,317.16-87,489.62-18,874.28

Finding the Fourth Proportional to 58,317.16, 87,489.62 and 18,874.28

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Solution

The fourth proportional to 58,317.16, 87,489.62 and 18,874.28 is: 28,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,317.16 : 87,489.62 = 18,874.28 : x
  2. Step 2: Convert to fraction form
    58,317.16/87,489.62 = 18,874.28/x
  3. Step 3: Cross multiply
    58,317.16x = 87,489.62 × 18,874.28
  4. Step 4: Simplify right side
    58,317.16x = 1,651,303,147.53
  5. Step 5: Solve for x
    x = 1,651,303,147.53/58,317.16
  6. Step 6: Final answer
    x = 28,315.90

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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.