Home / 38,639.84-53,323.20-22,724.96

Finding the Fourth Proportional to 38,639.84, 53,323.20 and 22,724.96

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Solution

The fourth proportional to 38,639.84, 53,323.20 and 22,724.96 is: 31,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639.84 : 53,323.20 = 22,724.96 : x
  2. Step 2: Convert to fraction form
    38,639.84/53,323.20 = 22,724.96/x
  3. Step 3: Cross multiply
    38,639.84x = 53,323.20 × 22,724.96
  4. Step 4: Simplify right side
    38,639.84x = 1,211,767,587.07
  5. Step 5: Solve for x
    x = 1,211,767,587.07/38,639.84
  6. Step 6: Final answer
    x = 31,360.57

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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.