Home / 53,881.23-80,858.85-18,820.92

Finding the Fourth Proportional to 53,881.23, 80,858.85 and 18,820.92

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Solution

The fourth proportional to 53,881.23, 80,858.85 and 18,820.92 is: 28,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.23 : 80,858.85 = 18,820.92 : x
  2. Step 2: Convert to fraction form
    53,881.23/80,858.85 = 18,820.92/x
  3. Step 3: Cross multiply
    53,881.23x = 80,858.85 × 18,820.92
  4. Step 4: Simplify right side
    53,881.23x = 1,521,837,947.14
  5. Step 5: Solve for x
    x = 1,521,837,947.14/53,881.23
  6. Step 6: Final answer
    x = 28,244.31

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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.