Home / 53,123.50-79,693.42-18,054.96

Finding the Fourth Proportional to 53,123.50, 79,693.42 and 18,054.96

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Solution

The fourth proportional to 53,123.50, 79,693.42 and 18,054.96 is: 27,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,123.50 : 79,693.42 = 18,054.96 : x
  2. Step 2: Convert to fraction form
    53,123.50/79,693.42 = 18,054.96/x
  3. Step 3: Cross multiply
    53,123.50x = 79,693.42 × 18,054.96
  4. Step 4: Simplify right side
    53,123.50x = 1,438,861,510.36
  5. Step 5: Solve for x
    x = 1,438,861,510.36/53,123.50
  6. Step 6: Final answer
    x = 27,085.22

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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.