Home / 34,512.48-47,628-20,360.16

Finding the Fourth Proportional to 34,512.48, 47,628 and 20,360.16

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Solution

The fourth proportional to 34,512.48, 47,628 and 20,360.16 is: 28,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,512.48 : 47,628 = 20,360.16 : x
  2. Step 2: Convert to fraction form
    34,512.48/47,628 = 20,360.16/x
  3. Step 3: Cross multiply
    34,512.48x = 47,628 × 20,360.16
  4. Step 4: Simplify right side
    34,512.48x = 969,713,700.48
  5. Step 5: Solve for x
    x = 969,713,700.48/34,512.48
  6. Step 6: Final answer
    x = 28,097.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.