Home / 115,047.48-172,579.07-39,115.10

Finding the Fourth Proportional to 115,047.48, 172,579.07 and 39,115.10

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Solution

The fourth proportional to 115,047.48, 172,579.07 and 39,115.10 is: 58,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,047.48 : 172,579.07 = 39,115.10 : x
  2. Step 2: Convert to fraction form
    115,047.48/172,579.07 = 39,115.10/x
  3. Step 3: Cross multiply
    115,047.48x = 172,579.07 × 39,115.10
  4. Step 4: Simplify right side
    115,047.48x = 6,750,447,580.96
  5. Step 5: Solve for x
    x = 6,750,447,580.96/115,047.48
  6. Step 6: Final answer
    x = 58,675.32

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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.