Home / 35,788.42-53,692.35-12,416.68

Finding the Fourth Proportional to 35,788.42, 53,692.35 and 12,416.68

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Solution

The fourth proportional to 35,788.42, 53,692.35 and 12,416.68 is: 18,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.42 : 53,692.35 = 12,416.68 : x
  2. Step 2: Convert to fraction form
    35,788.42/53,692.35 = 12,416.68/x
  3. Step 3: Cross multiply
    35,788.42x = 53,692.35 × 12,416.68
  4. Step 4: Simplify right side
    35,788.42x = 666,680,728.40
  5. Step 5: Solve for x
    x = 666,680,728.40/35,788.42
  6. Step 6: Final answer
    x = 18,628.39

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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.