Home / 35,280.14-48,686.31-19,147.10

Finding the Fourth Proportional to 35,280.14, 48,686.31 and 19,147.10

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Solution

The fourth proportional to 35,280.14, 48,686.31 and 19,147.10 is: 26,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280.14 : 48,686.31 = 19,147.10 : x
  2. Step 2: Convert to fraction form
    35,280.14/48,686.31 = 19,147.10/x
  3. Step 3: Cross multiply
    35,280.14x = 48,686.31 × 19,147.10
  4. Step 4: Simplify right side
    35,280.14x = 932,201,402.77
  5. Step 5: Solve for x
    x = 932,201,402.77/35,280.14
  6. Step 6: Final answer
    x = 26,422.84

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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.