Home / 35,732.12-49,312.80-19,818.05

Finding the Fourth Proportional to 35,732.12, 49,312.80 and 19,818.05

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Solution

The fourth proportional to 35,732.12, 49,312.80 and 19,818.05 is: 27,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,732.12 : 49,312.80 = 19,818.05 : x
  2. Step 2: Convert to fraction form
    35,732.12/49,312.80 = 19,818.05/x
  3. Step 3: Cross multiply
    35,732.12x = 49,312.80 × 19,818.05
  4. Step 4: Simplify right side
    35,732.12x = 977,283,289.48
  5. Step 5: Solve for x
    x = 977,283,289.48/35,732.12
  6. Step 6: Final answer
    x = 27,350.28

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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.