Home / 52,060.84-78,090.58-12,618.30

Finding the Fourth Proportional to 52,060.84, 78,090.58 and 12,618.30

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Solution

The fourth proportional to 52,060.84, 78,090.58 and 12,618.30 is: 18,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,060.84 : 78,090.58 = 12,618.30 : x
  2. Step 2: Convert to fraction form
    52,060.84/78,090.58 = 12,618.30/x
  3. Step 3: Cross multiply
    52,060.84x = 78,090.58 × 12,618.30
  4. Step 4: Simplify right side
    52,060.84x = 985,370,365.61
  5. Step 5: Solve for x
    x = 985,370,365.61/52,060.84
  6. Step 6: Final answer
    x = 18,927.29

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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.