Home / 40,070.23-60,064.34-20,338.02

Finding the Fourth Proportional to 40,070.23, 60,064.34 and 20,338.02

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Solution

The fourth proportional to 40,070.23, 60,064.34 and 20,338.02 is: 30,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,070.23 : 60,064.34 = 20,338.02 : x
  2. Step 2: Convert to fraction form
    40,070.23/60,064.34 = 20,338.02/x
  3. Step 3: Cross multiply
    40,070.23x = 60,064.34 × 20,338.02
  4. Step 4: Simplify right side
    40,070.23x = 1,221,589,646.52
  5. Step 5: Solve for x
    x = 1,221,589,646.52/40,070.23
  6. Step 6: Final answer
    x = 30,486.22

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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.