Home / 58,321.28-87,463.67-18,870.23

Finding the Fourth Proportional to 58,321.28, 87,463.67 and 18,870.23

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Solution

The fourth proportional to 58,321.28, 87,463.67 and 18,870.23 is: 28,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,321.28 : 87,463.67 = 18,870.23 : x
  2. Step 2: Convert to fraction form
    58,321.28/87,463.67 = 18,870.23/x
  3. Step 3: Cross multiply
    58,321.28x = 87,463.67 × 18,870.23
  4. Step 4: Simplify right side
    58,321.28x = 1,650,459,693.85
  5. Step 5: Solve for x
    x = 1,650,459,693.85/58,321.28
  6. Step 6: Final answer
    x = 28,299.44

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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.