Home / 35,356.16-53,058.36-18,715.52

Finding the Fourth Proportional to 35,356.16, 53,058.36 and 18,715.52

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Solution

The fourth proportional to 35,356.16, 53,058.36 and 18,715.52 is: 28,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.16 : 53,058.36 = 18,715.52 : x
  2. Step 2: Convert to fraction form
    35,356.16/53,058.36 = 18,715.52/x
  3. Step 3: Cross multiply
    35,356.16x = 53,058.36 × 18,715.52
  4. Step 4: Simplify right side
    35,356.16x = 993,014,797.75
  5. Step 5: Solve for x
    x = 993,014,797.75/35,356.16
  6. Step 6: Final answer
    x = 28,086.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.