Home / 47,409.72-65,424.30-26,187.32

Finding the Fourth Proportional to 47,409.72, 65,424.30 and 26,187.32

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Solution

The fourth proportional to 47,409.72, 65,424.30 and 26,187.32 is: 36,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409.72 : 65,424.30 = 26,187.32 : x
  2. Step 2: Convert to fraction form
    47,409.72/65,424.30 = 26,187.32/x
  3. Step 3: Cross multiply
    47,409.72x = 65,424.30 × 26,187.32
  4. Step 4: Simplify right side
    47,409.72x = 1,713,287,079.88
  5. Step 5: Solve for x
    x = 1,713,287,079.88/47,409.72
  6. Step 6: Final answer
    x = 36,137.89

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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.