Home / 40,055.23-60,068.48-11,970.05

Finding the Fourth Proportional to 40,055.23, 60,068.48 and 11,970.05

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Solution

The fourth proportional to 40,055.23, 60,068.48 and 11,970.05 is: 17,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.23 : 60,068.48 = 11,970.05 : x
  2. Step 2: Convert to fraction form
    40,055.23/60,068.48 = 11,970.05/x
  3. Step 3: Cross multiply
    40,055.23x = 60,068.48 × 11,970.05
  4. Step 4: Simplify right side
    40,055.23x = 719,022,799.34
  5. Step 5: Solve for x
    x = 719,022,799.34/40,055.23
  6. Step 6: Final answer
    x = 17,950.79

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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.