Home / 53,141.22-79,711.70-36,450.63

Finding the Fourth Proportional to 53,141.22, 79,711.70 and 36,450.63

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Solution

The fourth proportional to 53,141.22, 79,711.70 and 36,450.63 is: 54,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.22 : 79,711.70 = 36,450.63 : x
  2. Step 2: Convert to fraction form
    53,141.22/79,711.70 = 36,450.63/x
  3. Step 3: Cross multiply
    53,141.22x = 79,711.70 × 36,450.63
  4. Step 4: Simplify right side
    53,141.22x = 2,905,541,501.12
  5. Step 5: Solve for x
    x = 2,905,541,501.12/53,141.22
  6. Step 6: Final answer
    x = 54,675.85

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1.5x scale

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.