Home / 33,787.86-46,628.87-18,680.24

Finding the Fourth Proportional to 33,787.86, 46,628.87 and 18,680.24

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Solution

The fourth proportional to 33,787.86, 46,628.87 and 18,680.24 is: 25,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787.86 : 46,628.87 = 18,680.24 : x
  2. Step 2: Convert to fraction form
    33,787.86/46,628.87 = 18,680.24/x
  3. Step 3: Cross multiply
    33,787.86x = 46,628.87 × 18,680.24
  4. Step 4: Simplify right side
    33,787.86x = 871,038,389.13
  5. Step 5: Solve for x
    x = 871,038,389.13/33,787.86
  6. Step 6: Final answer
    x = 25,779.63

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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.