Home / 31,290.03-46,887.93-18,796.32

Finding the Fourth Proportional to 31,290.03, 46,887.93 and 18,796.32

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Solution

The fourth proportional to 31,290.03, 46,887.93 and 18,796.32 is: 28,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.03 : 46,887.93 = 18,796.32 : x
  2. Step 2: Convert to fraction form
    31,290.03/46,887.93 = 18,796.32/x
  3. Step 3: Cross multiply
    31,290.03x = 46,887.93 × 18,796.32
  4. Step 4: Simplify right side
    31,290.03x = 881,320,536.42
  5. Step 5: Solve for x
    x = 881,320,536.42/31,290.03
  6. Step 6: Final answer
    x = 28,166.18

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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.