Home / 49,390.60-74,165.10-45,752.20

Finding the Fourth Proportional to 49,390.60, 74,165.10 and 45,752.20

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Solution

The fourth proportional to 49,390.60, 74,165.10 and 45,752.20 is: 68,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,390.60 : 74,165.10 = 45,752.20 : x
  2. Step 2: Convert to fraction form
    49,390.60/74,165.10 = 45,752.20/x
  3. Step 3: Cross multiply
    49,390.60x = 74,165.10 × 45,752.20
  4. Step 4: Simplify right side
    49,390.60x = 3,393,216,488.22
  5. Step 5: Solve for x
    x = 3,393,216,488.22/49,390.60
  6. Step 6: Final answer
    x = 68,701.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.