Home / 43,005-64,490.91-16,706.28

Finding the Fourth Proportional to 43,005, 64,490.91 and 16,706.28

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Solution

The fourth proportional to 43,005, 64,490.91 and 16,706.28 is: 25,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,005 : 64,490.91 = 16,706.28 : x
  2. Step 2: Convert to fraction form
    43,005/64,490.91 = 16,706.28/x
  3. Step 3: Cross multiply
    43,005x = 64,490.91 × 16,706.28
  4. Step 4: Simplify right side
    43,005x = 1,077,403,199.91
  5. Step 5: Solve for x
    x = 1,077,403,199.91/43,005
  6. Step 6: Final answer
    x = 25,052.98

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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.