Home / 58,521.80-87,783.44-20,569.53

Finding the Fourth Proportional to 58,521.80, 87,783.44 and 20,569.53

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Solution

The fourth proportional to 58,521.80, 87,783.44 and 20,569.53 is: 30,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,521.80 : 87,783.44 = 20,569.53 : x
  2. Step 2: Convert to fraction form
    58,521.80/87,783.44 = 20,569.53/x
  3. Step 3: Cross multiply
    58,521.80x = 87,783.44 × 20,569.53
  4. Step 4: Simplify right side
    58,521.80x = 1,805,664,270.62
  5. Step 5: Solve for x
    x = 1,805,664,270.62/58,521.80
  6. Step 6: Final answer
    x = 30,854.56

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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.