Home / 53,089.65-79,551.81-19,800.75

Finding the Fourth Proportional to 53,089.65, 79,551.81 and 19,800.75

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Solution

The fourth proportional to 53,089.65, 79,551.81 and 19,800.75 is: 29,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,089.65 : 79,551.81 = 19,800.75 : x
  2. Step 2: Convert to fraction form
    53,089.65/79,551.81 = 19,800.75/x
  3. Step 3: Cross multiply
    53,089.65x = 79,551.81 × 19,800.75
  4. Step 4: Simplify right side
    53,089.65x = 1,575,185,501.86
  5. Step 5: Solve for x
    x = 1,575,185,501.86/53,089.65
  6. Step 6: Final answer
    x = 29,670.29

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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.