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Finding the Fourth Proportional to 40,030.40, 60,048.93 and 11,948.60

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Solution

The fourth proportional to 40,030.40, 60,048.93 and 11,948.60 is: 17,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.40 : 60,048.93 = 11,948.60 : x
  2. Step 2: Convert to fraction form
    40,030.40/60,048.93 = 11,948.60/x
  3. Step 3: Cross multiply
    40,030.40x = 60,048.93 × 11,948.60
  4. Step 4: Simplify right side
    40,030.40x = 717,500,645.00
  5. Step 5: Solve for x
    x = 717,500,645.00/40,030.40
  6. Step 6: Final answer
    x = 17,923.89

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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.