Home / 42,905.20-59,238.12-26,797.12

Finding the Fourth Proportional to 42,905.20, 59,238.12 and 26,797.12

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Solution

The fourth proportional to 42,905.20, 59,238.12 and 26,797.12 is: 36,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,905.20 : 59,238.12 = 26,797.12 : x
  2. Step 2: Convert to fraction form
    42,905.20/59,238.12 = 26,797.12/x
  3. Step 3: Cross multiply
    42,905.20x = 59,238.12 × 26,797.12
  4. Step 4: Simplify right side
    42,905.20x = 1,587,411,010.21
  5. Step 5: Solve for x
    x = 1,587,411,010.21/42,905.20
  6. Step 6: Final answer
    x = 36,998.10

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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.