Home / 39,053.09-53,893.40-21,148.04

Finding the Fourth Proportional to 39,053.09, 53,893.40 and 21,148.04

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Solution

The fourth proportional to 39,053.09, 53,893.40 and 21,148.04 is: 29,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,053.09 : 53,893.40 = 21,148.04 : x
  2. Step 2: Convert to fraction form
    39,053.09/53,893.40 = 21,148.04/x
  3. Step 3: Cross multiply
    39,053.09x = 53,893.40 × 21,148.04
  4. Step 4: Simplify right side
    39,053.09x = 1,139,739,403.73
  5. Step 5: Solve for x
    x = 1,139,739,403.73/39,053.09
  6. Step 6: Final answer
    x = 29,184.36

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1.5x scale

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.