Home / 39,128.40-58,692.51-14,168.34

Finding the Fourth Proportional to 39,128.40, 58,692.51 and 14,168.34

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Solution

The fourth proportional to 39,128.40, 58,692.51 and 14,168.34 is: 21,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.40 : 58,692.51 = 14,168.34 : x
  2. Step 2: Convert to fraction form
    39,128.40/58,692.51 = 14,168.34/x
  3. Step 3: Cross multiply
    39,128.40x = 58,692.51 × 14,168.34
  4. Step 4: Simplify right side
    39,128.40x = 831,575,437.13
  5. Step 5: Solve for x
    x = 831,575,437.13/39,128.40
  6. Step 6: Final answer
    x = 21,252.48

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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.