Home / 35,108.64-48,418.56-20,956.32

Finding the Fourth Proportional to 35,108.64, 48,418.56 and 20,956.32

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Solution

The fourth proportional to 35,108.64, 48,418.56 and 20,956.32 is: 28,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,108.64 : 48,418.56 = 20,956.32 : x
  2. Step 2: Convert to fraction form
    35,108.64/48,418.56 = 20,956.32/x
  3. Step 3: Cross multiply
    35,108.64x = 48,418.56 × 20,956.32
  4. Step 4: Simplify right side
    35,108.64x = 1,014,674,837.30
  5. Step 5: Solve for x
    x = 1,014,674,837.30/35,108.64
  6. Step 6: Final answer
    x = 28,901.00

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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.