Home / 30,746.28-46,119.68-9,969.76

Finding the Fourth Proportional to 30,746.28, 46,119.68 and 9,969.76

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Solution

The fourth proportional to 30,746.28, 46,119.68 and 9,969.76 is: 14,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746.28 : 46,119.68 = 9,969.76 : x
  2. Step 2: Convert to fraction form
    30,746.28/46,119.68 = 9,969.76/x
  3. Step 3: Cross multiply
    30,746.28x = 46,119.68 × 9,969.76
  4. Step 4: Simplify right side
    30,746.28x = 459,802,140.88
  5. Step 5: Solve for x
    x = 459,802,140.88/30,746.28
  6. Step 6: Final answer
    x = 14,954.72

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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.