Home / 47,125.08-65,042.10-28,001.22

Finding the Fourth Proportional to 47,125.08, 65,042.10 and 28,001.22

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Solution

The fourth proportional to 47,125.08, 65,042.10 and 28,001.22 is: 38,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,125.08 : 65,042.10 = 28,001.22 : x
  2. Step 2: Convert to fraction form
    47,125.08/65,042.10 = 28,001.22/x
  3. Step 3: Cross multiply
    47,125.08x = 65,042.10 × 28,001.22
  4. Step 4: Simplify right side
    47,125.08x = 1,821,258,151.36
  5. Step 5: Solve for x
    x = 1,821,258,151.36/47,125.08
  6. Step 6: Final answer
    x = 38,647.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.