Home / 35,284.64-48,690.99-20,945.08

Finding the Fourth Proportional to 35,284.64, 48,690.99 and 20,945.08

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Solution

The fourth proportional to 35,284.64, 48,690.99 and 20,945.08 is: 28,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,284.64 : 48,690.99 = 20,945.08 : x
  2. Step 2: Convert to fraction form
    35,284.64/48,690.99 = 20,945.08/x
  3. Step 3: Cross multiply
    35,284.64x = 48,690.99 × 20,945.08
  4. Step 4: Simplify right side
    35,284.64x = 1,019,836,332.65
  5. Step 5: Solve for x
    x = 1,019,836,332.65/35,284.64
  6. Step 6: Final answer
    x = 28,903.12

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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.