Home / 35,829.90-49,444.20-19,913.40

Finding the Fourth Proportional to 35,829.90, 49,444.20 and 19,913.40

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Solution

The fourth proportional to 35,829.90, 49,444.20 and 19,913.40 is: 27,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,829.90 : 49,444.20 = 19,913.40 : x
  2. Step 2: Convert to fraction form
    35,829.90/49,444.20 = 19,913.40/x
  3. Step 3: Cross multiply
    35,829.90x = 49,444.20 × 19,913.40
  4. Step 4: Simplify right side
    35,829.90x = 984,602,132.28
  5. Step 5: Solve for x
    x = 984,602,132.28/35,829.90
  6. Step 6: Final answer
    x = 27,479.90

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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.