Home / 34,451.86-47,548.72-21,030.89

Finding the Fourth Proportional to 34,451.86, 47,548.72 and 21,030.89

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Solution

The fourth proportional to 34,451.86, 47,548.72 and 21,030.89 is: 29,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.86 : 47,548.72 = 21,030.89 : x
  2. Step 2: Convert to fraction form
    34,451.86/47,548.72 = 21,030.89/x
  3. Step 3: Cross multiply
    34,451.86x = 47,548.72 × 21,030.89
  4. Step 4: Simplify right side
    34,451.86x = 999,991,955.97
  5. Step 5: Solve for x
    x = 999,991,955.97/34,451.86
  6. Step 6: Final answer
    x = 29,025.78

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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.