Home / 48,814.83-67,360.28-28,400.67

Finding the Fourth Proportional to 48,814.83, 67,360.28 and 28,400.67

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Solution

The fourth proportional to 48,814.83, 67,360.28 and 28,400.67 is: 39,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,814.83 : 67,360.28 = 28,400.67 : x
  2. Step 2: Convert to fraction form
    48,814.83/67,360.28 = 28,400.67/x
  3. Step 3: Cross multiply
    48,814.83x = 67,360.28 × 28,400.67
  4. Step 4: Simplify right side
    48,814.83x = 1,913,076,941.38
  5. Step 5: Solve for x
    x = 1,913,076,941.38/48,814.83
  6. Step 6: Final answer
    x = 39,190.49

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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.