Home / 40,408.58-55,763.70-22,503.80

Finding the Fourth Proportional to 40,408.58, 55,763.70 and 22,503.80

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Solution

The fourth proportional to 40,408.58, 55,763.70 and 22,503.80 is: 31,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.58 : 55,763.70 = 22,503.80 : x
  2. Step 2: Convert to fraction form
    40,408.58/55,763.70 = 22,503.80/x
  3. Step 3: Cross multiply
    40,408.58x = 55,763.70 × 22,503.80
  4. Step 4: Simplify right side
    40,408.58x = 1,254,895,152.06
  5. Step 5: Solve for x
    x = 1,254,895,152.06/40,408.58
  6. Step 6: Final answer
    x = 31,055.17

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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.