Home / 35,556.86-53,329.80-12,177.92

Finding the Fourth Proportional to 35,556.86, 53,329.80 and 12,177.92

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Solution

The fourth proportional to 35,556.86, 53,329.80 and 12,177.92 is: 18,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,556.86 : 53,329.80 = 12,177.92 : x
  2. Step 2: Convert to fraction form
    35,556.86/53,329.80 = 12,177.92/x
  3. Step 3: Cross multiply
    35,556.86x = 53,329.80 × 12,177.92
  4. Step 4: Simplify right side
    35,556.86x = 649,446,038.02
  5. Step 5: Solve for x
    x = 649,446,038.02/35,556.86
  6. Step 6: Final answer
    x = 18,265.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.