Home / 40,386.64-60,583.08-12,309.10

Finding the Fourth Proportional to 40,386.64, 60,583.08 and 12,309.10

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Solution

The fourth proportional to 40,386.64, 60,583.08 and 12,309.10 is: 18,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.64 : 60,583.08 = 12,309.10 : x
  2. Step 2: Convert to fraction form
    40,386.64/60,583.08 = 12,309.10/x
  3. Step 3: Cross multiply
    40,386.64x = 60,583.08 × 12,309.10
  4. Step 4: Simplify right side
    40,386.64x = 745,723,190.03
  5. Step 5: Solve for x
    x = 745,723,190.03/40,386.64
  6. Step 6: Final answer
    x = 18,464.60

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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.