Home / 35,915.32-53,839.72-18,346.40

Finding the Fourth Proportional to 35,915.32, 53,839.72 and 18,346.40

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Solution

The fourth proportional to 35,915.32, 53,839.72 and 18,346.40 is: 27,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.32 : 53,839.72 = 18,346.40 : x
  2. Step 2: Convert to fraction form
    35,915.32/53,839.72 = 18,346.40/x
  3. Step 3: Cross multiply
    35,915.32x = 53,839.72 × 18,346.40
  4. Step 4: Simplify right side
    35,915.32x = 987,765,039.01
  5. Step 5: Solve for x
    x = 987,765,039.01/35,915.32
  6. Step 6: Final answer
    x = 27,502.61

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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.