Home / 19,776.59-29,664.53-4,985.18

Finding the Fourth Proportional to 19,776.59, 29,664.53 and 4,985.18

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Solution

The fourth proportional to 19,776.59, 29,664.53 and 4,985.18 is: 7,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.59 : 29,664.53 = 4,985.18 : x
  2. Step 2: Convert to fraction form
    19,776.59/29,664.53 = 4,985.18/x
  3. Step 3: Cross multiply
    19,776.59x = 29,664.53 × 4,985.18
  4. Step 4: Simplify right side
    19,776.59x = 147,882,848.42
  5. Step 5: Solve for x
    x = 147,882,848.42/19,776.59
  6. Step 6: Final answer
    x = 7,477.67

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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.