Home / 51,056.90-70,457.30-27,772.74

Finding the Fourth Proportional to 51,056.90, 70,457.30 and 27,772.74

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Solution

The fourth proportional to 51,056.90, 70,457.30 and 27,772.74 is: 38,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,056.90 : 70,457.30 = 27,772.74 : x
  2. Step 2: Convert to fraction form
    51,056.90/70,457.30 = 27,772.74/x
  3. Step 3: Cross multiply
    51,056.90x = 70,457.30 × 27,772.74
  4. Step 4: Simplify right side
    51,056.90x = 1,956,792,135.14
  5. Step 5: Solve for x
    x = 1,956,792,135.14/51,056.90
  6. Step 6: Final answer
    x = 38,325.72

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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.