Home / 35,740.17-49,321.35-19,827

Finding the Fourth Proportional to 35,740.17, 49,321.35 and 19,827

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Solution

The fourth proportional to 35,740.17, 49,321.35 and 19,827 is: 27,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,740.17 : 49,321.35 = 19,827 : x
  2. Step 2: Convert to fraction form
    35,740.17/49,321.35 = 19,827/x
  3. Step 3: Cross multiply
    35,740.17x = 49,321.35 × 19,827
  4. Step 4: Simplify right side
    35,740.17x = 977,894,406.45
  5. Step 5: Solve for x
    x = 977,894,406.45/35,740.17
  6. Step 6: Final answer
    x = 27,361.21

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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.