Home / 30,778.77-46,254.72-18,301.02

Finding the Fourth Proportional to 30,778.77, 46,254.72 and 18,301.02

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Solution

The fourth proportional to 30,778.77, 46,254.72 and 18,301.02 is: 27,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,778.77 : 46,254.72 = 18,301.02 : x
  2. Step 2: Convert to fraction form
    30,778.77/46,254.72 = 18,301.02/x
  3. Step 3: Cross multiply
    30,778.77x = 46,254.72 × 18,301.02
  4. Step 4: Simplify right side
    30,778.77x = 846,508,555.81
  5. Step 5: Solve for x
    x = 846,508,555.81/30,778.77
  6. Step 6: Final answer
    x = 27,503.00

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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.