Home / 51,544.56-77,668.01-42,389.67

Finding the Fourth Proportional to 51,544.56, 77,668.01 and 42,389.67

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Solution

The fourth proportional to 51,544.56, 77,668.01 and 42,389.67 is: 63,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,544.56 : 77,668.01 = 42,389.67 : x
  2. Step 2: Convert to fraction form
    51,544.56/77,668.01 = 42,389.67/x
  3. Step 3: Cross multiply
    51,544.56x = 77,668.01 × 42,389.67
  4. Step 4: Simplify right side
    51,544.56x = 3,292,321,101.51
  5. Step 5: Solve for x
    x = 3,292,321,101.51/51,544.56
  6. Step 6: Final answer
    x = 63,873.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.