Home / 46,031.28-69,035.70-12,750.48

Finding the Fourth Proportional to 46,031.28, 69,035.70 and 12,750.48

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Solution

The fourth proportional to 46,031.28, 69,035.70 and 12,750.48 is: 19,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,031.28 : 69,035.70 = 12,750.48 : x
  2. Step 2: Convert to fraction form
    46,031.28/69,035.70 = 12,750.48/x
  3. Step 3: Cross multiply
    46,031.28x = 69,035.70 × 12,750.48
  4. Step 4: Simplify right side
    46,031.28x = 880,238,312.14
  5. Step 5: Solve for x
    x = 880,238,312.14/46,031.28
  6. Step 6: Final answer
    x = 19,122.61

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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.