Home / 35,421.38-48,880.76-19,505.96

Finding the Fourth Proportional to 35,421.38, 48,880.76 and 19,505.96

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Solution

The fourth proportional to 35,421.38, 48,880.76 and 19,505.96 is: 26,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.38 : 48,880.76 = 19,505.96 : x
  2. Step 2: Convert to fraction form
    35,421.38/48,880.76 = 19,505.96/x
  3. Step 3: Cross multiply
    35,421.38x = 48,880.76 × 19,505.96
  4. Step 4: Simplify right side
    35,421.38x = 953,465,807.40
  5. Step 5: Solve for x
    x = 953,465,807.40/35,421.38
  6. Step 6: Final answer
    x = 26,917.81

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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.