Home / 40,390.84-55,748.55-26,219.08

Finding the Fourth Proportional to 40,390.84, 55,748.55 and 26,219.08

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Solution

The fourth proportional to 40,390.84, 55,748.55 and 26,219.08 is: 36,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.84 : 55,748.55 = 26,219.08 : x
  2. Step 2: Convert to fraction form
    40,390.84/55,748.55 = 26,219.08/x
  3. Step 3: Cross multiply
    40,390.84x = 55,748.55 × 26,219.08
  4. Step 4: Simplify right side
    40,390.84x = 1,461,675,692.33
  5. Step 5: Solve for x
    x = 1,461,675,692.33/40,390.84
  6. Step 6: Final answer
    x = 36,188.30

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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.