Home / 53,688.80-74,090.62-29,814.86

Finding the Fourth Proportional to 53,688.80, 74,090.62 and 29,814.86

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Solution

The fourth proportional to 53,688.80, 74,090.62 and 29,814.86 is: 41,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.80 : 74,090.62 = 29,814.86 : x
  2. Step 2: Convert to fraction form
    53,688.80/74,090.62 = 29,814.86/x
  3. Step 3: Cross multiply
    53,688.80x = 74,090.62 × 29,814.86
  4. Step 4: Simplify right side
    53,688.80x = 2,209,001,462.61
  5. Step 5: Solve for x
    x = 2,209,001,462.61/53,688.80
  6. Step 6: Final answer
    x = 41,144.55

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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.