Home / 39,870.60-59,633.10-33,649.80

Finding the Fourth Proportional to 39,870.60, 59,633.10 and 33,649.80

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Solution

The fourth proportional to 39,870.60, 59,633.10 and 33,649.80 is: 50,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.60 : 59,633.10 = 33,649.80 : x
  2. Step 2: Convert to fraction form
    39,870.60/59,633.10 = 33,649.80/x
  3. Step 3: Cross multiply
    39,870.60x = 59,633.10 × 33,649.80
  4. Step 4: Simplify right side
    39,870.60x = 2,006,641,888.38
  5. Step 5: Solve for x
    x = 2,006,641,888.38/39,870.60
  6. Step 6: Final answer
    x = 50,328.86

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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.