Home / 30,683.16-45,999.90-10,949.40

Finding the Fourth Proportional to 30,683.16, 45,999.90 and 10,949.40

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Solution

The fourth proportional to 30,683.16, 45,999.90 and 10,949.40 is: 16,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.16 : 45,999.90 = 10,949.40 : x
  2. Step 2: Convert to fraction form
    30,683.16/45,999.90 = 10,949.40/x
  3. Step 3: Cross multiply
    30,683.16x = 45,999.90 × 10,949.40
  4. Step 4: Simplify right side
    30,683.16x = 503,671,305.06
  5. Step 5: Solve for x
    x = 503,671,305.06/30,683.16
  6. Step 6: Final answer
    x = 16,415.24

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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.