Home / 39,581.34-54,622.26-21,677.52

Finding the Fourth Proportional to 39,581.34, 54,622.26 and 21,677.52

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Solution

The fourth proportional to 39,581.34, 54,622.26 and 21,677.52 is: 29,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,581.34 : 54,622.26 = 21,677.52 : x
  2. Step 2: Convert to fraction form
    39,581.34/54,622.26 = 21,677.52/x
  3. Step 3: Cross multiply
    39,581.34x = 54,622.26 × 21,677.52
  4. Step 4: Simplify right side
    39,581.34x = 1,184,075,133.60
  5. Step 5: Solve for x
    x = 1,184,075,133.60/39,581.34
  6. Step 6: Final answer
    x = 29,914.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.