Home / 35,754.40-53,614.32-20,968.12

Finding the Fourth Proportional to 35,754.40, 53,614.32 and 20,968.12

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Solution

The fourth proportional to 35,754.40, 53,614.32 and 20,968.12 is: 31,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,754.40 : 53,614.32 = 20,968.12 : x
  2. Step 2: Convert to fraction form
    35,754.40/53,614.32 = 20,968.12/x
  3. Step 3: Cross multiply
    35,754.40x = 53,614.32 × 20,968.12
  4. Step 4: Simplify right side
    35,754.40x = 1,124,191,495.48
  5. Step 5: Solve for x
    x = 1,124,191,495.48/35,754.40
  6. Step 6: Final answer
    x = 31,442.05

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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.