Home / 31,442.48-43,347.20-25,090.48

Finding the Fourth Proportional to 31,442.48, 43,347.20 and 25,090.48

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Solution

The fourth proportional to 31,442.48, 43,347.20 and 25,090.48 is: 34,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.48 : 43,347.20 = 25,090.48 : x
  2. Step 2: Convert to fraction form
    31,442.48/43,347.20 = 25,090.48/x
  3. Step 3: Cross multiply
    31,442.48x = 43,347.20 × 25,090.48
  4. Step 4: Simplify right side
    31,442.48x = 1,087,602,054.66
  5. Step 5: Solve for x
    x = 1,087,602,054.66/31,442.48
  6. Step 6: Final answer
    x = 34,590.21

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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.