Home / 53,066.49-79,582.83-17,521.20

Finding the Fourth Proportional to 53,066.49, 79,582.83 and 17,521.20

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Solution

The fourth proportional to 53,066.49, 79,582.83 and 17,521.20 is: 26,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,066.49 : 79,582.83 = 17,521.20 : x
  2. Step 2: Convert to fraction form
    53,066.49/79,582.83 = 17,521.20/x
  3. Step 3: Cross multiply
    53,066.49x = 79,582.83 × 17,521.20
  4. Step 4: Simplify right side
    53,066.49x = 1,394,386,681.00
  5. Step 5: Solve for x
    x = 1,394,386,681.00/53,066.49
  6. Step 6: Final answer
    x = 26,276.22

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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.