Home / 56,208.60-84,345.30-21,173.40

Finding the Fourth Proportional to 56,208.60, 84,345.30 and 21,173.40

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Solution

The fourth proportional to 56,208.60, 84,345.30 and 21,173.40 is: 31,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,208.60 : 84,345.30 = 21,173.40 : x
  2. Step 2: Convert to fraction form
    56,208.60/84,345.30 = 21,173.40/x
  3. Step 3: Cross multiply
    56,208.60x = 84,345.30 × 21,173.40
  4. Step 4: Simplify right side
    56,208.60x = 1,785,876,775.02
  5. Step 5: Solve for x
    x = 1,785,876,775.02/56,208.60
  6. Step 6: Final answer
    x = 31,772.30

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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.