Home / 52,045.65-78,021.54-18,742.23

Finding the Fourth Proportional to 52,045.65, 78,021.54 and 18,742.23

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Solution

The fourth proportional to 52,045.65, 78,021.54 and 18,742.23 is: 28,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,045.65 : 78,021.54 = 18,742.23 : x
  2. Step 2: Convert to fraction form
    52,045.65/78,021.54 = 18,742.23/x
  3. Step 3: Cross multiply
    52,045.65x = 78,021.54 × 18,742.23
  4. Step 4: Simplify right side
    52,045.65x = 1,462,297,647.63
  5. Step 5: Solve for x
    x = 1,462,297,647.63/52,045.65
  6. Step 6: Final answer
    x = 28,096.44

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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.