Home / 34,980.24-52,475.58-12,489.18

Finding the Fourth Proportional to 34,980.24, 52,475.58 and 12,489.18

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Solution

The fourth proportional to 34,980.24, 52,475.58 and 12,489.18 is: 18,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.24 : 52,475.58 = 12,489.18 : x
  2. Step 2: Convert to fraction form
    34,980.24/52,475.58 = 12,489.18/x
  3. Step 3: Cross multiply
    34,980.24x = 52,475.58 × 12,489.18
  4. Step 4: Simplify right side
    34,980.24x = 655,376,964.22
  5. Step 5: Solve for x
    x = 655,376,964.22/34,980.24
  6. Step 6: Final answer
    x = 18,735.63

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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.