Home / 56,054.12-84,078.75-13,933.31

Finding the Fourth Proportional to 56,054.12, 84,078.75 and 13,933.31

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Solution

The fourth proportional to 56,054.12, 84,078.75 and 13,933.31 is: 20,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,054.12 : 84,078.75 = 13,933.31 : x
  2. Step 2: Convert to fraction form
    56,054.12/84,078.75 = 13,933.31/x
  3. Step 3: Cross multiply
    56,054.12x = 84,078.75 × 13,933.31
  4. Step 4: Simplify right side
    56,054.12x = 1,171,495,288.16
  5. Step 5: Solve for x
    x = 1,171,495,288.16/56,054.12
  6. Step 6: Final answer
    x = 20,899.36

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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.