Home / 35,731.02-49,311.76-19,820.60

Finding the Fourth Proportional to 35,731.02, 49,311.76 and 19,820.60

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Solution

The fourth proportional to 35,731.02, 49,311.76 and 19,820.60 is: 27,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,731.02 : 49,311.76 = 19,820.60 : x
  2. Step 2: Convert to fraction form
    35,731.02/49,311.76 = 19,820.60/x
  3. Step 3: Cross multiply
    35,731.02x = 49,311.76 × 19,820.60
  4. Step 4: Simplify right side
    35,731.02x = 977,388,670.26
  5. Step 5: Solve for x
    x = 977,388,670.26/35,731.02
  6. Step 6: Final answer
    x = 27,354.07

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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.