Home / 39,567.95-54,603.93-21,664.62

Finding the Fourth Proportional to 39,567.95, 54,603.93 and 21,664.62

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Solution

The fourth proportional to 39,567.95, 54,603.93 and 21,664.62 is: 29,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,567.95 : 54,603.93 = 21,664.62 : x
  2. Step 2: Convert to fraction form
    39,567.95/54,603.93 = 21,664.62/x
  3. Step 3: Cross multiply
    39,567.95x = 54,603.93 × 21,664.62
  4. Step 4: Simplify right side
    39,567.95x = 1,182,973,393.96
  5. Step 5: Solve for x
    x = 1,182,973,393.96/39,567.95
  6. Step 6: Final answer
    x = 29,897.26

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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.