Home / 57,653.02-86,518.01-20,213.07

Finding the Fourth Proportional to 57,653.02, 86,518.01 and 20,213.07

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Solution

The fourth proportional to 57,653.02, 86,518.01 and 20,213.07 is: 30,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,653.02 : 86,518.01 = 20,213.07 : x
  2. Step 2: Convert to fraction form
    57,653.02/86,518.01 = 20,213.07/x
  3. Step 3: Cross multiply
    57,653.02x = 86,518.01 × 20,213.07
  4. Step 4: Simplify right side
    57,653.02x = 1,748,794,592.39
  5. Step 5: Solve for x
    x = 1,748,794,592.39/57,653.02
  6. Step 6: Final answer
    x = 30,333.10

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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.