Home / 38,540.57-57,814.71-10,461.08

Finding the Fourth Proportional to 38,540.57, 57,814.71 and 10,461.08

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Solution

The fourth proportional to 38,540.57, 57,814.71 and 10,461.08 is: 15,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,540.57 : 57,814.71 = 10,461.08 : x
  2. Step 2: Convert to fraction form
    38,540.57/57,814.71 = 10,461.08/x
  3. Step 3: Cross multiply
    38,540.57x = 57,814.71 × 10,461.08
  4. Step 4: Simplify right side
    38,540.57x = 604,804,451.02
  5. Step 5: Solve for x
    x = 604,804,451.02/38,540.57
  6. Step 6: Final answer
    x = 15,692.67

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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.