Home / 53,329.65-79,945.05-20,071.77

Finding the Fourth Proportional to 53,329.65, 79,945.05 and 20,071.77

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Solution

The fourth proportional to 53,329.65, 79,945.05 and 20,071.77 is: 30,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,329.65 : 79,945.05 = 20,071.77 : x
  2. Step 2: Convert to fraction form
    53,329.65/79,945.05 = 20,071.77/x
  3. Step 3: Cross multiply
    53,329.65x = 79,945.05 × 20,071.77
  4. Step 4: Simplify right side
    53,329.65x = 1,604,638,656.24
  5. Step 5: Solve for x
    x = 1,604,638,656.24/53,329.65
  6. Step 6: Final answer
    x = 30,089.05

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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.