Home / 30,720.17-46,008.75-29,879.12

Finding the Fourth Proportional to 30,720.17, 46,008.75 and 29,879.12

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Solution

The fourth proportional to 30,720.17, 46,008.75 and 29,879.12 is: 44,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,720.17 : 46,008.75 = 29,879.12 : x
  2. Step 2: Convert to fraction form
    30,720.17/46,008.75 = 29,879.12/x
  3. Step 3: Cross multiply
    30,720.17x = 46,008.75 × 29,879.12
  4. Step 4: Simplify right side
    30,720.17x = 1,374,700,962.30
  5. Step 5: Solve for x
    x = 1,374,700,962.30/30,720.17
  6. Step 6: Final answer
    x = 44,749.13

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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.