Home / 52,288.38-78,463.31-20,701.49

Finding the Fourth Proportional to 52,288.38, 78,463.31 and 20,701.49

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Solution

The fourth proportional to 52,288.38, 78,463.31 and 20,701.49 is: 31,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.38 : 78,463.31 = 20,701.49 : x
  2. Step 2: Convert to fraction form
    52,288.38/78,463.31 = 20,701.49/x
  3. Step 3: Cross multiply
    52,288.38x = 78,463.31 × 20,701.49
  4. Step 4: Simplify right side
    52,288.38x = 1,624,306,931.51
  5. Step 5: Solve for x
    x = 1,624,306,931.51/52,288.38
  6. Step 6: Final answer
    x = 31,064.40

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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.