Home / 51,188.34-70,630.56-28,526.76

Finding the Fourth Proportional to 51,188.34, 70,630.56 and 28,526.76

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Solution

The fourth proportional to 51,188.34, 70,630.56 and 28,526.76 is: 39,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.34 : 70,630.56 = 28,526.76 : x
  2. Step 2: Convert to fraction form
    51,188.34/70,630.56 = 28,526.76/x
  3. Step 3: Cross multiply
    51,188.34x = 70,630.56 × 28,526.76
  4. Step 4: Simplify right side
    51,188.34x = 2,014,861,033.79
  5. Step 5: Solve for x
    x = 2,014,861,033.79/51,188.34
  6. Step 6: Final answer
    x = 39,361.72

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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.