Home / 52,453.90-72,385.44-28,580.74

Finding the Fourth Proportional to 52,453.90, 72,385.44 and 28,580.74

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Solution

The fourth proportional to 52,453.90, 72,385.44 and 28,580.74 is: 39,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.90 : 72,385.44 = 28,580.74 : x
  2. Step 2: Convert to fraction form
    52,453.90/72,385.44 = 28,580.74/x
  3. Step 3: Cross multiply
    52,453.90x = 72,385.44 × 28,580.74
  4. Step 4: Simplify right side
    52,453.90x = 2,068,829,440.43
  5. Step 5: Solve for x
    x = 2,068,829,440.43/52,453.90
  6. Step 6: Final answer
    x = 39,440.91

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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.