Home / 30,987.06-46,499.67-12,263.91

Finding the Fourth Proportional to 30,987.06, 46,499.67 and 12,263.91

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Solution

The fourth proportional to 30,987.06, 46,499.67 and 12,263.91 is: 18,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987.06 : 46,499.67 = 12,263.91 : x
  2. Step 2: Convert to fraction form
    30,987.06/46,499.67 = 12,263.91/x
  3. Step 3: Cross multiply
    30,987.06x = 46,499.67 × 12,263.91
  4. Step 4: Simplify right side
    30,987.06x = 570,267,767.91
  5. Step 5: Solve for x
    x = 570,267,767.91/30,987.06
  6. Step 6: Final answer
    x = 18,403.42

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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.