Home / 35,145.14-48,499.71-20,038.64

Finding the Fourth Proportional to 35,145.14, 48,499.71 and 20,038.64

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Solution

The fourth proportional to 35,145.14, 48,499.71 and 20,038.64 is: 27,652.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,145.14 : 48,499.71 = 20,038.64 : x
  2. Step 2: Convert to fraction form
    35,145.14/48,499.71 = 20,038.64/x
  3. Step 3: Cross multiply
    35,145.14x = 48,499.71 × 20,038.64
  4. Step 4: Simplify right side
    35,145.14x = 971,868,228.79
  5. Step 5: Solve for x
    x = 971,868,228.79/35,145.14
  6. Step 6: Final answer
    x = 27,652.99

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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.