Home / 38,739.16-58,102.66-10,661.32

Finding the Fourth Proportional to 38,739.16, 58,102.66 and 10,661.32

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Solution

The fourth proportional to 38,739.16, 58,102.66 and 10,661.32 is: 15,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739.16 : 58,102.66 = 10,661.32 : x
  2. Step 2: Convert to fraction form
    38,739.16/58,102.66 = 10,661.32/x
  3. Step 3: Cross multiply
    38,739.16x = 58,102.66 × 10,661.32
  4. Step 4: Simplify right side
    38,739.16x = 619,451,051.11
  5. Step 5: Solve for x
    x = 619,451,051.11/38,739.16
  6. Step 6: Final answer
    x = 15,990.31

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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.