Home / 64,984.45-97,485.98-20,009.62

Finding the Fourth Proportional to 64,984.45, 97,485.98 and 20,009.62

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Solution

The fourth proportional to 64,984.45, 97,485.98 and 20,009.62 is: 30,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,984.45 : 97,485.98 = 20,009.62 : x
  2. Step 2: Convert to fraction form
    64,984.45/97,485.98 = 20,009.62/x
  3. Step 3: Cross multiply
    64,984.45x = 97,485.98 × 20,009.62
  4. Step 4: Simplify right side
    64,984.45x = 1,950,656,827.65
  5. Step 5: Solve for x
    x = 1,950,656,827.65/64,984.45
  6. Step 6: Final answer
    x = 30,017.29

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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.