Home / 45,291.16-62,515.02-30,205.72

Finding the Fourth Proportional to 45,291.16, 62,515.02 and 30,205.72

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Solution

The fourth proportional to 45,291.16, 62,515.02 and 30,205.72 is: 41,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,291.16 : 62,515.02 = 30,205.72 : x
  2. Step 2: Convert to fraction form
    45,291.16/62,515.02 = 30,205.72/x
  3. Step 3: Cross multiply
    45,291.16x = 62,515.02 × 30,205.72
  4. Step 4: Simplify right side
    45,291.16x = 1,888,311,189.91
  5. Step 5: Solve for x
    x = 1,888,311,189.91/45,291.16
  6. Step 6: Final answer
    x = 41,692.71

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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.