Home / 52,090.04-71,879.99-29,431

Finding the Fourth Proportional to 52,090.04, 71,879.99 and 29,431

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Solution

The fourth proportional to 52,090.04, 71,879.99 and 29,431 is: 40,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.04 : 71,879.99 = 29,431 : x
  2. Step 2: Convert to fraction form
    52,090.04/71,879.99 = 29,431/x
  3. Step 3: Cross multiply
    52,090.04x = 71,879.99 × 29,431
  4. Step 4: Simplify right side
    52,090.04x = 2,115,499,985.69
  5. Step 5: Solve for x
    x = 2,115,499,985.69/52,090.04
  6. Step 6: Final answer
    x = 40,612.37

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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.