Home / 35,970.32-53,915.16-25,965.20

Finding the Fourth Proportional to 35,970.32, 53,915.16 and 25,965.20

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Solution

The fourth proportional to 35,970.32, 53,915.16 and 25,965.20 is: 38,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.32 : 53,915.16 = 25,965.20 : x
  2. Step 2: Convert to fraction form
    35,970.32/53,915.16 = 25,965.20/x
  3. Step 3: Cross multiply
    35,970.32x = 53,915.16 × 25,965.20
  4. Step 4: Simplify right side
    35,970.32x = 1,399,917,912.43
  5. Step 5: Solve for x
    x = 1,399,917,912.43/35,970.32
  6. Step 6: Final answer
    x = 38,918.69

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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.