Home / 53,321.52-80,030.76-28,382.43

Finding the Fourth Proportional to 53,321.52, 80,030.76 and 28,382.43

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Solution

The fourth proportional to 53,321.52, 80,030.76 and 28,382.43 is: 42,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,321.52 : 80,030.76 = 28,382.43 : x
  2. Step 2: Convert to fraction form
    53,321.52/80,030.76 = 28,382.43/x
  3. Step 3: Cross multiply
    53,321.52x = 80,030.76 × 28,382.43
  4. Step 4: Simplify right side
    53,321.52x = 2,271,467,443.55
  5. Step 5: Solve for x
    x = 2,271,467,443.55/53,321.52
  6. Step 6: Final answer
    x = 42,599.45

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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.