Home / 53,040.72-79,561.80-21,465.84

Finding the Fourth Proportional to 53,040.72, 79,561.80 and 21,465.84

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Solution

The fourth proportional to 53,040.72, 79,561.80 and 21,465.84 is: 32,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,040.72 : 79,561.80 = 21,465.84 : x
  2. Step 2: Convert to fraction form
    53,040.72/79,561.80 = 21,465.84/x
  3. Step 3: Cross multiply
    53,040.72x = 79,561.80 × 21,465.84
  4. Step 4: Simplify right side
    53,040.72x = 1,707,860,868.91
  5. Step 5: Solve for x
    x = 1,707,860,868.91/53,040.72
  6. Step 6: Final answer
    x = 32,199.05

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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.