Home / 35,305.02-48,720.78-19,389.60

Finding the Fourth Proportional to 35,305.02, 48,720.78 and 19,389.60

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Solution

The fourth proportional to 35,305.02, 48,720.78 and 19,389.60 is: 26,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.02 : 48,720.78 = 19,389.60 : x
  2. Step 2: Convert to fraction form
    35,305.02/48,720.78 = 19,389.60/x
  3. Step 3: Cross multiply
    35,305.02x = 48,720.78 × 19,389.60
  4. Step 4: Simplify right side
    35,305.02x = 944,676,435.89
  5. Step 5: Solve for x
    x = 944,676,435.89/35,305.02
  6. Step 6: Final answer
    x = 26,757.57

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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.