Home / 29,421.15-40,610.48-18,810.83

Finding the Fourth Proportional to 29,421.15, 40,610.48 and 18,810.83

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Solution

The fourth proportional to 29,421.15, 40,610.48 and 18,810.83 is: 25,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.15 : 40,610.48 = 18,810.83 : x
  2. Step 2: Convert to fraction form
    29,421.15/40,610.48 = 18,810.83/x
  3. Step 3: Cross multiply
    29,421.15x = 40,610.48 × 18,810.83
  4. Step 4: Simplify right side
    29,421.15x = 763,916,835.50
  5. Step 5: Solve for x
    x = 763,916,835.50/29,421.15
  6. Step 6: Final answer
    x = 25,964.89

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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.