Home / 45,649.46-68,485.08-14,484.72

Finding the Fourth Proportional to 45,649.46, 68,485.08 and 14,484.72

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Solution

The fourth proportional to 45,649.46, 68,485.08 and 14,484.72 is: 21,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,649.46 : 68,485.08 = 14,484.72 : x
  2. Step 2: Convert to fraction form
    45,649.46/68,485.08 = 14,484.72/x
  3. Step 3: Cross multiply
    45,649.46x = 68,485.08 × 14,484.72
  4. Step 4: Simplify right side
    45,649.46x = 991,987,207.98
  5. Step 5: Solve for x
    x = 991,987,207.98/45,649.46
  6. Step 6: Final answer
    x = 21,730.54

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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.