Home / 29,312.24-40,443.72-17,378.40

Finding the Fourth Proportional to 29,312.24, 40,443.72 and 17,378.40

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Solution

The fourth proportional to 29,312.24, 40,443.72 and 17,378.40 is: 23,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.24 : 40,443.72 = 17,378.40 : x
  2. Step 2: Convert to fraction form
    29,312.24/40,443.72 = 17,378.40/x
  3. Step 3: Cross multiply
    29,312.24x = 40,443.72 × 17,378.40
  4. Step 4: Simplify right side
    29,312.24x = 702,847,143.65
  5. Step 5: Solve for x
    x = 702,847,143.65/29,312.24
  6. Step 6: Final answer
    x = 23,977.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.