Home / 35,436.48-53,120.16-16,981.44

Finding the Fourth Proportional to 35,436.48, 53,120.16 and 16,981.44

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Solution

The fourth proportional to 35,436.48, 53,120.16 and 16,981.44 is: 25,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,436.48 : 53,120.16 = 16,981.44 : x
  2. Step 2: Convert to fraction form
    35,436.48/53,120.16 = 16,981.44/x
  3. Step 3: Cross multiply
    35,436.48x = 53,120.16 × 16,981.44
  4. Step 4: Simplify right side
    35,436.48x = 902,056,809.83
  5. Step 5: Solve for x
    x = 902,056,809.83/35,436.48
  6. Step 6: Final answer
    x = 25,455.60

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1.5x scale

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.