Home / 49,291.20-68,022.48-28,070.52

Finding the Fourth Proportional to 49,291.20, 68,022.48 and 28,070.52

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Solution

The fourth proportional to 49,291.20, 68,022.48 and 28,070.52 is: 38,737.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,291.20 : 68,022.48 = 28,070.52 : x
  2. Step 2: Convert to fraction form
    49,291.20/68,022.48 = 28,070.52/x
  3. Step 3: Cross multiply
    49,291.20x = 68,022.48 × 28,070.52
  4. Step 4: Simplify right side
    49,291.20x = 1,909,426,385.29
  5. Step 5: Solve for x
    x = 1,909,426,385.29/49,291.20
  6. Step 6: Final answer
    x = 38,737.67

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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.