Home / 51,964.34-77,956.22-20,802.02

Finding the Fourth Proportional to 51,964.34, 77,956.22 and 20,802.02

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Solution

The fourth proportional to 51,964.34, 77,956.22 and 20,802.02 is: 31,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,964.34 : 77,956.22 = 20,802.02 : x
  2. Step 2: Convert to fraction form
    51,964.34/77,956.22 = 20,802.02/x
  3. Step 3: Cross multiply
    51,964.34x = 77,956.22 × 20,802.02
  4. Step 4: Simplify right side
    51,964.34x = 1,621,646,509.79
  5. Step 5: Solve for x
    x = 1,621,646,509.79/51,964.34
  6. Step 6: Final answer
    x = 31,206.91

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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.