Home / 38,887.85-53,636.58-29,328.14

Finding the Fourth Proportional to 38,887.85, 53,636.58 and 29,328.14

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Solution

The fourth proportional to 38,887.85, 53,636.58 and 29,328.14 is: 40,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,887.85 : 53,636.58 = 29,328.14 : x
  2. Step 2: Convert to fraction form
    38,887.85/53,636.58 = 29,328.14/x
  3. Step 3: Cross multiply
    38,887.85x = 53,636.58 × 29,328.14
  4. Step 4: Simplify right side
    38,887.85x = 1,573,060,859.18
  5. Step 5: Solve for x
    x = 1,573,060,859.18/38,887.85
  6. Step 6: Final answer
    x = 40,451.22

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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.