Home / 55,284.84-76,299.12-31,417.32

Finding the Fourth Proportional to 55,284.84, 76,299.12 and 31,417.32

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Solution

The fourth proportional to 55,284.84, 76,299.12 and 31,417.32 is: 43,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,284.84 : 76,299.12 = 31,417.32 : x
  2. Step 2: Convert to fraction form
    55,284.84/76,299.12 = 31,417.32/x
  3. Step 3: Cross multiply
    55,284.84x = 76,299.12 × 31,417.32
  4. Step 4: Simplify right side
    55,284.84x = 2,397,113,868.76
  5. Step 5: Solve for x
    x = 2,397,113,868.76/55,284.84
  6. Step 6: Final answer
    x = 43,359.33

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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.