Home / 53,422.65-80,152.56-20,152.31

Finding the Fourth Proportional to 53,422.65, 80,152.56 and 20,152.31

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Solution

The fourth proportional to 53,422.65, 80,152.56 and 20,152.31 is: 30,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,422.65 : 80,152.56 = 20,152.31 : x
  2. Step 2: Convert to fraction form
    53,422.65/80,152.56 = 20,152.31/x
  3. Step 3: Cross multiply
    53,422.65x = 80,152.56 × 20,152.31
  4. Step 4: Simplify right side
    53,422.65x = 1,615,258,835.65
  5. Step 5: Solve for x
    x = 1,615,258,835.65/53,422.65
  6. Step 6: Final answer
    x = 30,235.47

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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.