Home / 39,365.04-54,323.36-21,460

Finding the Fourth Proportional to 39,365.04, 54,323.36 and 21,460

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Solution

The fourth proportional to 39,365.04, 54,323.36 and 21,460 is: 29,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365.04 : 54,323.36 = 21,460 : x
  2. Step 2: Convert to fraction form
    39,365.04/54,323.36 = 21,460/x
  3. Step 3: Cross multiply
    39,365.04x = 54,323.36 × 21,460
  4. Step 4: Simplify right side
    39,365.04x = 1,165,779,305.60
  5. Step 5: Solve for x
    x = 1,165,779,305.60/39,365.04
  6. Step 6: Final answer
    x = 29,614.58

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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.