Home / 38,699.78-58,050.95-13,739.49

Finding the Fourth Proportional to 38,699.78, 58,050.95 and 13,739.49

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Solution

The fourth proportional to 38,699.78, 58,050.95 and 13,739.49 is: 20,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,699.78 : 58,050.95 = 13,739.49 : x
  2. Step 2: Convert to fraction form
    38,699.78/58,050.95 = 13,739.49/x
  3. Step 3: Cross multiply
    38,699.78x = 58,050.95 × 13,739.49
  4. Step 4: Simplify right side
    38,699.78x = 797,590,378.32
  5. Step 5: Solve for x
    x = 797,590,378.32/38,699.78
  6. Step 6: Final answer
    x = 20,609.69

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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.