Home / 38,973.01-53,782.68-21,068.02

Finding the Fourth Proportional to 38,973.01, 53,782.68 and 21,068.02

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Solution

The fourth proportional to 38,973.01, 53,782.68 and 21,068.02 is: 29,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,973.01 : 53,782.68 = 21,068.02 : x
  2. Step 2: Convert to fraction form
    38,973.01/53,782.68 = 21,068.02/x
  3. Step 3: Cross multiply
    38,973.01x = 53,782.68 × 21,068.02
  4. Step 4: Simplify right side
    38,973.01x = 1,133,094,577.89
  5. Step 5: Solve for x
    x = 1,133,094,577.89/38,973.01
  6. Step 6: Final answer
    x = 29,073.83

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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.