Home / 30,887.25-46,341.93-12,156.90

Finding the Fourth Proportional to 30,887.25, 46,341.93 and 12,156.90

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Solution

The fourth proportional to 30,887.25, 46,341.93 and 12,156.90 is: 18,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.25 : 46,341.93 = 12,156.90 : x
  2. Step 2: Convert to fraction form
    30,887.25/46,341.93 = 12,156.90/x
  3. Step 3: Cross multiply
    30,887.25x = 46,341.93 × 12,156.90
  4. Step 4: Simplify right side
    30,887.25x = 563,374,208.82
  5. Step 5: Solve for x
    x = 563,374,208.82/30,887.25
  6. Step 6: Final answer
    x = 18,239.70

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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.