Home / 39,281.90-58,903.20-19,571.36

Finding the Fourth Proportional to 39,281.90, 58,903.20 and 19,571.36

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Solution

The fourth proportional to 39,281.90, 58,903.20 and 19,571.36 is: 29,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,281.90 : 58,903.20 = 19,571.36 : x
  2. Step 2: Convert to fraction form
    39,281.90/58,903.20 = 19,571.36/x
  3. Step 3: Cross multiply
    39,281.90x = 58,903.20 × 19,571.36
  4. Step 4: Simplify right side
    39,281.90x = 1,152,815,437.84
  5. Step 5: Solve for x
    x = 1,152,815,437.84/39,281.90
  6. Step 6: Final answer
    x = 29,347.25

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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.