Home / 38,243.34-52,646.56-31,518.32

Finding the Fourth Proportional to 38,243.34, 52,646.56 and 31,518.32

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Solution

The fourth proportional to 38,243.34, 52,646.56 and 31,518.32 is: 43,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.34 : 52,646.56 = 31,518.32 : x
  2. Step 2: Convert to fraction form
    38,243.34/52,646.56 = 31,518.32/x
  3. Step 3: Cross multiply
    38,243.34x = 52,646.56 × 31,518.32
  4. Step 4: Simplify right side
    38,243.34x = 1,659,330,782.95
  5. Step 5: Solve for x
    x = 1,659,330,782.95/38,243.34
  6. Step 6: Final answer
    x = 43,388.75

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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.