Home / 30,887.55-46,330.77-7,514.19

Finding the Fourth Proportional to 30,887.55, 46,330.77 and 7,514.19

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Solution

The fourth proportional to 30,887.55, 46,330.77 and 7,514.19 is: 11,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.55 : 46,330.77 = 7,514.19 : x
  2. Step 2: Convert to fraction form
    30,887.55/46,330.77 = 7,514.19/x
  3. Step 3: Cross multiply
    30,887.55x = 46,330.77 × 7,514.19
  4. Step 4: Simplify right side
    30,887.55x = 348,138,208.63
  5. Step 5: Solve for x
    x = 348,138,208.63/30,887.55
  6. Step 6: Final answer
    x = 11,271.15

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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.