Home / 40,015.35-60,005.34-21,290.95

Finding the Fourth Proportional to 40,015.35, 60,005.34 and 21,290.95

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Solution

The fourth proportional to 40,015.35, 60,005.34 and 21,290.95 is: 31,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015.35 : 60,005.34 = 21,290.95 : x
  2. Step 2: Convert to fraction form
    40,015.35/60,005.34 = 21,290.95/x
  3. Step 3: Cross multiply
    40,015.35x = 60,005.34 × 21,290.95
  4. Step 4: Simplify right side
    40,015.35x = 1,277,570,623.50
  5. Step 5: Solve for x
    x = 1,277,570,623.50/40,015.35
  6. Step 6: Final answer
    x = 31,927.01

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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.