Home / 39,548.65-54,577.14-21,643.67

Finding the Fourth Proportional to 39,548.65, 54,577.14 and 21,643.67

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Solution

The fourth proportional to 39,548.65, 54,577.14 and 21,643.67 is: 29,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,548.65 : 54,577.14 = 21,643.67 : x
  2. Step 2: Convert to fraction form
    39,548.65/54,577.14 = 21,643.67/x
  3. Step 3: Cross multiply
    39,548.65x = 54,577.14 × 21,643.67
  4. Step 4: Simplify right side
    39,548.65x = 1,181,249,607.70
  5. Step 5: Solve for x
    x = 1,181,249,607.70/39,548.65
  6. Step 6: Final answer
    x = 29,868.27

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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.