Home / 53,032.35-79,527.69-19,290.35

Finding the Fourth Proportional to 53,032.35, 79,527.69 and 19,290.35

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Solution

The fourth proportional to 53,032.35, 79,527.69 and 19,290.35 is: 28,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,032.35 : 79,527.69 = 19,290.35 : x
  2. Step 2: Convert to fraction form
    53,032.35/79,527.69 = 19,290.35/x
  3. Step 3: Cross multiply
    53,032.35x = 79,527.69 × 19,290.35
  4. Step 4: Simplify right side
    53,032.35x = 1,534,117,173.61
  5. Step 5: Solve for x
    x = 1,534,117,173.61/53,032.35
  6. Step 6: Final answer
    x = 28,927.95

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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.