Home / 51,421.03-70,964.62-28,762.13

Finding the Fourth Proportional to 51,421.03, 70,964.62 and 28,762.13

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Solution

The fourth proportional to 51,421.03, 70,964.62 and 28,762.13 is: 39,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421.03 : 70,964.62 = 28,762.13 : x
  2. Step 2: Convert to fraction form
    51,421.03/70,964.62 = 28,762.13/x
  3. Step 3: Cross multiply
    51,421.03x = 70,964.62 × 28,762.13
  4. Step 4: Simplify right side
    51,421.03x = 2,041,093,731.35
  5. Step 5: Solve for x
    x = 2,041,093,731.35/51,421.03
  6. Step 6: Final answer
    x = 39,693.76

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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.