Home / 46,783.98-70,128.68-20,147.34

Finding the Fourth Proportional to 46,783.98, 70,128.68 and 20,147.34

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Solution

The fourth proportional to 46,783.98, 70,128.68 and 20,147.34 is: 30,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,783.98 : 70,128.68 = 20,147.34 : x
  2. Step 2: Convert to fraction form
    46,783.98/70,128.68 = 20,147.34/x
  3. Step 3: Cross multiply
    46,783.98x = 70,128.68 × 20,147.34
  4. Step 4: Simplify right side
    46,783.98x = 1,412,906,359.71
  5. Step 5: Solve for x
    x = 1,412,906,359.71/46,783.98
  6. Step 6: Final answer
    x = 30,200.64

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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.