Home / 42,739,059.44-64,129,636.20-20,016,032.24

Finding the Fourth Proportional to 42,739,059.44, 64,129,636.20 and 20,016,032.24

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Solution

The fourth proportional to 42,739,059.44, 64,129,636.20 and 20,016,032.24 is: 30,033,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,739,059.44 : 64,129,636.20 = 20,016,032.24 : x
  2. Step 2: Convert to fraction form
    42,739,059.44/64,129,636.20 = 20,016,032.24/x
  3. Step 3: Cross multiply
    42,739,059.44x = 64,129,636.20 × 20,016,032.24
  4. Step 4: Simplify right side
    42,739,059.44x = 1,283,620,865,718,671
  5. Step 5: Solve for x
    x = 1,283,620,865,718,671/42,739,059.44
  6. Step 6: Final answer
    x = 30,033,905.34

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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.