Home / 30,887.15-46,330.32-7,513.61

Finding the Fourth Proportional to 30,887.15, 46,330.32 and 7,513.61

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Solution

The fourth proportional to 30,887.15, 46,330.32 and 7,513.61 is: 11,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.15 : 46,330.32 = 7,513.61 : x
  2. Step 2: Convert to fraction form
    30,887.15/46,330.32 = 7,513.61/x
  3. Step 3: Cross multiply
    30,887.15x = 46,330.32 × 7,513.61
  4. Step 4: Simplify right side
    30,887.15x = 348,107,955.66
  5. Step 5: Solve for x
    x = 348,107,955.66/30,887.15
  6. Step 6: Final answer
    x = 11,270.32

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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.