Home / 42,741.06-64,083.74-14,274.50

Finding the Fourth Proportional to 42,741.06, 64,083.74 and 14,274.50

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Solution

The fourth proportional to 42,741.06, 64,083.74 and 14,274.50 is: 21,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,741.06 : 64,083.74 = 14,274.50 : x
  2. Step 2: Convert to fraction form
    42,741.06/64,083.74 = 14,274.50/x
  3. Step 3: Cross multiply
    42,741.06x = 64,083.74 × 14,274.50
  4. Step 4: Simplify right side
    42,741.06x = 914,763,346.63
  5. Step 5: Solve for x
    x = 914,763,346.63/42,741.06
  6. Step 6: Final answer
    x = 21,402.45

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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.