Home / 51,442.08-70,997.64-31,295.06

Finding the Fourth Proportional to 51,442.08, 70,997.64 and 31,295.06

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Solution

The fourth proportional to 51,442.08, 70,997.64 and 31,295.06 is: 43,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.08 : 70,997.64 = 31,295.06 : x
  2. Step 2: Convert to fraction form
    51,442.08/70,997.64 = 31,295.06/x
  3. Step 3: Cross multiply
    51,442.08x = 70,997.64 × 31,295.06
  4. Step 4: Simplify right side
    51,442.08x = 2,221,875,403.66
  5. Step 5: Solve for x
    x = 2,221,875,403.66/51,442.08
  6. Step 6: Final answer
    x = 43,191.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.