Home / 35,775.28-49,369.52-19,859.32

Finding the Fourth Proportional to 35,775.28, 49,369.52 and 19,859.32

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Solution

The fourth proportional to 35,775.28, 49,369.52 and 19,859.32 is: 27,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.28 : 49,369.52 = 19,859.32 : x
  2. Step 2: Convert to fraction form
    35,775.28/49,369.52 = 19,859.32/x
  3. Step 3: Cross multiply
    35,775.28x = 49,369.52 × 19,859.32
  4. Step 4: Simplify right side
    35,775.28x = 980,445,095.93
  5. Step 5: Solve for x
    x = 980,445,095.93/35,775.28
  6. Step 6: Final answer
    x = 27,405.66

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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.