Home / 45,400.60-67,971.30-40,216.60

Finding the Fourth Proportional to 45,400.60, 67,971.30 and 40,216.60

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Solution

The fourth proportional to 45,400.60, 67,971.30 and 40,216.60 is: 60,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.60 : 67,971.30 = 40,216.60 : x
  2. Step 2: Convert to fraction form
    45,400.60/67,971.30 = 40,216.60/x
  3. Step 3: Cross multiply
    45,400.60x = 67,971.30 × 40,216.60
  4. Step 4: Simplify right side
    45,400.60x = 2,733,574,583.58
  5. Step 5: Solve for x
    x = 2,733,574,583.58/45,400.60
  6. Step 6: Final answer
    x = 60,210.10

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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.