Home / 38,501.34-57,711.84-18,752.76

Finding the Fourth Proportional to 38,501.34, 57,711.84 and 18,752.76

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Solution

The fourth proportional to 38,501.34, 57,711.84 and 18,752.76 is: 28,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501.34 : 57,711.84 = 18,752.76 : x
  2. Step 2: Convert to fraction form
    38,501.34/57,711.84 = 18,752.76/x
  3. Step 3: Cross multiply
    38,501.34x = 57,711.84 × 18,752.76
  4. Step 4: Simplify right side
    38,501.34x = 1,082,256,284.68
  5. Step 5: Solve for x
    x = 1,082,256,284.68/38,501.34
  6. Step 6: Final answer
    x = 28,109.57

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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.