Home / 56,190.08-84,288.35-21,130.04

Finding the Fourth Proportional to 56,190.08, 84,288.35 and 21,130.04

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Solution

The fourth proportional to 56,190.08, 84,288.35 and 21,130.04 is: 31,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,190.08 : 84,288.35 = 21,130.04 : x
  2. Step 2: Convert to fraction form
    56,190.08/84,288.35 = 21,130.04/x
  3. Step 3: Cross multiply
    56,190.08x = 84,288.35 × 21,130.04
  4. Step 4: Simplify right side
    56,190.08x = 1,781,016,207.03
  5. Step 5: Solve for x
    x = 1,781,016,207.03/56,190.08
  6. Step 6: Final answer
    x = 31,696.27

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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.