Home / 35,103.07-48,435.51-19,995.40

Finding the Fourth Proportional to 35,103.07, 48,435.51 and 19,995.40

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Solution

The fourth proportional to 35,103.07, 48,435.51 and 19,995.40 is: 27,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,103.07 : 48,435.51 = 19,995.40 : x
  2. Step 2: Convert to fraction form
    35,103.07/48,435.51 = 19,995.40/x
  3. Step 3: Cross multiply
    35,103.07x = 48,435.51 × 19,995.40
  4. Step 4: Simplify right side
    35,103.07x = 968,487,532.18
  5. Step 5: Solve for x
    x = 968,487,532.18/35,103.07
  6. Step 6: Final answer
    x = 27,589.82

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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.