Home / 53,539.61-80,278.29-20,262.24

Finding the Fourth Proportional to 53,539.61, 80,278.29 and 20,262.24

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Solution

The fourth proportional to 53,539.61, 80,278.29 and 20,262.24 is: 30,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,539.61 : 80,278.29 = 20,262.24 : x
  2. Step 2: Convert to fraction form
    53,539.61/80,278.29 = 20,262.24/x
  3. Step 3: Cross multiply
    53,539.61x = 80,278.29 × 20,262.24
  4. Step 4: Simplify right side
    53,539.61x = 1,626,617,978.77
  5. Step 5: Solve for x
    x = 1,626,617,978.77/53,539.61
  6. Step 6: Final answer
    x = 30,381.58

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1.5x scale

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.