Home / 35,420.37-53,116.38-15,685.53

Finding the Fourth Proportional to 35,420.37, 53,116.38 and 15,685.53

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Solution

The fourth proportional to 35,420.37, 53,116.38 and 15,685.53 is: 23,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.37 : 53,116.38 = 15,685.53 : x
  2. Step 2: Convert to fraction form
    35,420.37/53,116.38 = 15,685.53/x
  3. Step 3: Cross multiply
    35,420.37x = 53,116.38 × 15,685.53
  4. Step 4: Simplify right side
    35,420.37x = 833,158,571.98
  5. Step 5: Solve for x
    x = 833,158,571.98/35,420.37
  6. Step 6: Final answer
    x = 23,522.02

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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.