Home / 40,208.28-55,487.88-22,303.80

Finding the Fourth Proportional to 40,208.28, 55,487.88 and 22,303.80

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Solution

The fourth proportional to 40,208.28, 55,487.88 and 22,303.80 is: 30,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.28 : 55,487.88 = 22,303.80 : x
  2. Step 2: Convert to fraction form
    40,208.28/55,487.88 = 22,303.80/x
  3. Step 3: Cross multiply
    40,208.28x = 55,487.88 × 22,303.80
  4. Step 4: Simplify right side
    40,208.28x = 1,237,590,577.94
  5. Step 5: Solve for x
    x = 1,237,590,577.94/40,208.28
  6. Step 6: Final answer
    x = 30,779.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.