Home / 43,612.71-65,366.27-19,887.77

Finding the Fourth Proportional to 43,612.71, 65,366.27 and 19,887.77

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Solution

The fourth proportional to 43,612.71, 65,366.27 and 19,887.77 is: 29,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,612.71 : 65,366.27 = 19,887.77 : x
  2. Step 2: Convert to fraction form
    43,612.71/65,366.27 = 19,887.77/x
  3. Step 3: Cross multiply
    43,612.71x = 65,366.27 × 19,887.77
  4. Step 4: Simplify right side
    43,612.71x = 1,299,989,649.93
  5. Step 5: Solve for x
    x = 1,299,989,649.93/43,612.71
  6. Step 6: Final answer
    x = 29,807.59

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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.