Home / 59,985.39-89,968.87-20,005.08

Finding the Fourth Proportional to 59,985.39, 89,968.87 and 20,005.08

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Solution

The fourth proportional to 59,985.39, 89,968.87 and 20,005.08 is: 30,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,985.39 : 89,968.87 = 20,005.08 : x
  2. Step 2: Convert to fraction form
    59,985.39/89,968.87 = 20,005.08/x
  3. Step 3: Cross multiply
    59,985.39x = 89,968.87 × 20,005.08
  4. Step 4: Simplify right side
    59,985.39x = 1,799,834,129.48
  5. Step 5: Solve for x
    x = 1,799,834,129.48/59,985.39
  6. Step 6: Final answer
    x = 30,004.54

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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.