Home / 56,111.52-84,157.20-18,672.24

Finding the Fourth Proportional to 56,111.52, 84,157.20 and 18,672.24

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Solution

The fourth proportional to 56,111.52, 84,157.20 and 18,672.24 is: 28,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,111.52 : 84,157.20 = 18,672.24 : x
  2. Step 2: Convert to fraction form
    56,111.52/84,157.20 = 18,672.24/x
  3. Step 3: Cross multiply
    56,111.52x = 84,157.20 × 18,672.24
  4. Step 4: Simplify right side
    56,111.52x = 1,571,403,436.13
  5. Step 5: Solve for x
    x = 1,571,403,436.13/56,111.52
  6. Step 6: Final answer
    x = 28,005.01

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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.