Home / 30,746.89-46,016.08-18,908.11

Finding the Fourth Proportional to 30,746.89, 46,016.08 and 18,908.11

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Solution

The fourth proportional to 30,746.89, 46,016.08 and 18,908.11 is: 28,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746.89 : 46,016.08 = 18,908.11 : x
  2. Step 2: Convert to fraction form
    30,746.89/46,016.08 = 18,908.11/x
  3. Step 3: Cross multiply
    30,746.89x = 46,016.08 × 18,908.11
  4. Step 4: Simplify right side
    30,746.89x = 870,077,102.41
  5. Step 5: Solve for x
    x = 870,077,102.41/30,746.89
  6. Step 6: Final answer
    x = 28,298.05

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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.