Home / 29,580.02-40,751.04-20,611.24

Finding the Fourth Proportional to 29,580.02, 40,751.04 and 20,611.24

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Solution

The fourth proportional to 29,580.02, 40,751.04 and 20,611.24 is: 28,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,580.02 : 40,751.04 = 20,611.24 : x
  2. Step 2: Convert to fraction form
    29,580.02/40,751.04 = 20,611.24/x
  3. Step 3: Cross multiply
    29,580.02x = 40,751.04 × 20,611.24
  4. Step 4: Simplify right side
    29,580.02x = 839,929,465.69
  5. Step 5: Solve for x
    x = 839,929,465.69/29,580.02
  6. Step 6: Final answer
    x = 28,395.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.