Home / 30,430.05-45,661.48-14,847.68

Finding the Fourth Proportional to 30,430.05, 45,661.48 and 14,847.68

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Solution

The fourth proportional to 30,430.05, 45,661.48 and 14,847.68 is: 22,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430.05 : 45,661.48 = 14,847.68 : x
  2. Step 2: Convert to fraction form
    30,430.05/45,661.48 = 14,847.68/x
  3. Step 3: Cross multiply
    30,430.05x = 45,661.48 × 14,847.68
  4. Step 4: Simplify right side
    30,430.05x = 677,967,096.38
  5. Step 5: Solve for x
    x = 677,967,096.38/30,430.05
  6. Step 6: Final answer
    x = 22,279.52

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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.