Home / 35,342.56-53,012.16-10,381.60

Finding the Fourth Proportional to 35,342.56, 53,012.16 and 10,381.60

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Solution

The fourth proportional to 35,342.56, 53,012.16 and 10,381.60 is: 15,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.56 : 53,012.16 = 10,381.60 : x
  2. Step 2: Convert to fraction form
    35,342.56/53,012.16 = 10,381.60/x
  3. Step 3: Cross multiply
    35,342.56x = 53,012.16 × 10,381.60
  4. Step 4: Simplify right side
    35,342.56x = 550,351,040.26
  5. Step 5: Solve for x
    x = 550,351,040.26/35,342.56
  6. Step 6: Final answer
    x = 15,571.91

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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.