Home / 35,807.36-49,411.67-20,688.17

Finding the Fourth Proportional to 35,807.36, 49,411.67 and 20,688.17

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Solution

The fourth proportional to 35,807.36, 49,411.67 and 20,688.17 is: 28,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,807.36 : 49,411.67 = 20,688.17 : x
  2. Step 2: Convert to fraction form
    35,807.36/49,411.67 = 20,688.17/x
  3. Step 3: Cross multiply
    35,807.36x = 49,411.67 × 20,688.17
  4. Step 4: Simplify right side
    35,807.36x = 1,022,236,678.44
  5. Step 5: Solve for x
    x = 1,022,236,678.44/35,807.36
  6. Step 6: Final answer
    x = 28,548.23

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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.