Home / 38,740.40-53,487.32-29,771.60

Finding the Fourth Proportional to 38,740.40, 53,487.32 and 29,771.60

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Solution

The fourth proportional to 38,740.40, 53,487.32 and 29,771.60 is: 41,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740.40 : 53,487.32 = 29,771.60 : x
  2. Step 2: Convert to fraction form
    38,740.40/53,487.32 = 29,771.60/x
  3. Step 3: Cross multiply
    38,740.40x = 53,487.32 × 29,771.60
  4. Step 4: Simplify right side
    38,740.40x = 1,592,403,096.11
  5. Step 5: Solve for x
    x = 1,592,403,096.11/38,740.40
  6. Step 6: Final answer
    x = 41,104.46

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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.