Home / 35,742.87-49,316.85-20,630.70

Finding the Fourth Proportional to 35,742.87, 49,316.85 and 20,630.70

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Solution

The fourth proportional to 35,742.87, 49,316.85 and 20,630.70 is: 28,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.87 : 49,316.85 = 20,630.70 : x
  2. Step 2: Convert to fraction form
    35,742.87/49,316.85 = 20,630.70/x
  3. Step 3: Cross multiply
    35,742.87x = 49,316.85 × 20,630.70
  4. Step 4: Simplify right side
    35,742.87x = 1,017,441,137.30
  5. Step 5: Solve for x
    x = 1,017,441,137.30/35,742.87
  6. Step 6: Final answer
    x = 28,465.57

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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.