Home / 53,261.12-73,565.76-39,892.10

Finding the Fourth Proportional to 53,261.12, 73,565.76 and 39,892.10

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Solution

The fourth proportional to 53,261.12, 73,565.76 and 39,892.10 is: 55,100.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,261.12 : 73,565.76 = 39,892.10 : x
  2. Step 2: Convert to fraction form
    53,261.12/73,565.76 = 39,892.10/x
  3. Step 3: Cross multiply
    53,261.12x = 73,565.76 × 39,892.10
  4. Step 4: Simplify right side
    53,261.12x = 2,934,692,654.50
  5. Step 5: Solve for x
    x = 2,934,692,654.50/53,261.12
  6. Step 6: Final answer
    x = 55,100.09

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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.