Home / 53,066.89-79,592.91-19,782.64

Finding the Fourth Proportional to 53,066.89, 79,592.91 and 19,782.64

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Solution

The fourth proportional to 53,066.89, 79,592.91 and 19,782.64 is: 29,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,066.89 : 79,592.91 = 19,782.64 : x
  2. Step 2: Convert to fraction form
    53,066.89/79,592.91 = 19,782.64/x
  3. Step 3: Cross multiply
    53,066.89x = 79,592.91 × 19,782.64
  4. Step 4: Simplify right side
    53,066.89x = 1,574,557,885.08
  5. Step 5: Solve for x
    x = 1,574,557,885.08/53,066.89
  6. Step 6: Final answer
    x = 29,671.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.