Home / 37,649.15-51,955.34-21,516.28

Finding the Fourth Proportional to 37,649.15, 51,955.34 and 21,516.28

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Solution

The fourth proportional to 37,649.15, 51,955.34 and 21,516.28 is: 29,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,649.15 : 51,955.34 = 21,516.28 : x
  2. Step 2: Convert to fraction form
    37,649.15/51,955.34 = 21,516.28/x
  3. Step 3: Cross multiply
    37,649.15x = 51,955.34 × 21,516.28
  4. Step 4: Simplify right side
    37,649.15x = 1,117,885,566.84
  5. Step 5: Solve for x
    x = 1,117,885,566.84/37,649.15
  6. Step 6: Final answer
    x = 29,692.19

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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.