Home / 30,887.01-46,355.12-12,171.76

Finding the Fourth Proportional to 30,887.01, 46,355.12 and 12,171.76

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Solution

The fourth proportional to 30,887.01, 46,355.12 and 12,171.76 is: 18,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.01 : 46,355.12 = 12,171.76 : x
  2. Step 2: Convert to fraction form
    30,887.01/46,355.12 = 12,171.76/x
  3. Step 3: Cross multiply
    30,887.01x = 46,355.12 × 12,171.76
  4. Step 4: Simplify right side
    30,887.01x = 564,223,395.41
  5. Step 5: Solve for x
    x = 564,223,395.41/30,887.01
  6. Step 6: Final answer
    x = 18,267.34

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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.