Home / 39,803.31-59,655.74-20,071.08

Finding the Fourth Proportional to 39,803.31, 59,655.74 and 20,071.08

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Solution

The fourth proportional to 39,803.31, 59,655.74 and 20,071.08 is: 30,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,803.31 : 59,655.74 = 20,071.08 : x
  2. Step 2: Convert to fraction form
    39,803.31/59,655.74 = 20,071.08/x
  3. Step 3: Cross multiply
    39,803.31x = 59,655.74 × 20,071.08
  4. Step 4: Simplify right side
    39,803.31x = 1,197,355,029.64
  5. Step 5: Solve for x
    x = 1,197,355,029.64/39,803.31
  6. Step 6: Final answer
    x = 30,081.80

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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.