Home / 35,111.89-48,444.64-20,959.57

Finding the Fourth Proportional to 35,111.89, 48,444.64 and 20,959.57

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Solution

The fourth proportional to 35,111.89, 48,444.64 and 20,959.57 is: 28,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,111.89 : 48,444.64 = 20,959.57 : x
  2. Step 2: Convert to fraction form
    35,111.89/48,444.64 = 20,959.57/x
  3. Step 3: Cross multiply
    35,111.89x = 48,444.64 × 20,959.57
  4. Step 4: Simplify right side
    35,111.89x = 1,015,378,823.20
  5. Step 5: Solve for x
    x = 1,015,378,823.20/35,111.89
  6. Step 6: Final answer
    x = 28,918.38

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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.