Home / 30,722.40-46,089.48-12,001.68

Finding the Fourth Proportional to 30,722.40, 46,089.48 and 12,001.68

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Solution

The fourth proportional to 30,722.40, 46,089.48 and 12,001.68 is: 18,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.40 : 46,089.48 = 12,001.68 : x
  2. Step 2: Convert to fraction form
    30,722.40/46,089.48 = 12,001.68/x
  3. Step 3: Cross multiply
    30,722.40x = 46,089.48 × 12,001.68
  4. Step 4: Simplify right side
    30,722.40x = 553,151,190.33
  5. Step 5: Solve for x
    x = 553,151,190.33/30,722.40
  6. Step 6: Final answer
    x = 18,004.82

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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.