Home / 20,459.36-30,681.47-16,085.36

Finding the Fourth Proportional to 20,459.36, 30,681.47 and 16,085.36

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Solution

The fourth proportional to 20,459.36, 30,681.47 and 16,085.36 is: 24,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459.36 : 30,681.47 = 16,085.36 : x
  2. Step 2: Convert to fraction form
    20,459.36/30,681.47 = 16,085.36/x
  3. Step 3: Cross multiply
    20,459.36x = 30,681.47 × 16,085.36
  4. Step 4: Simplify right side
    20,459.36x = 493,522,490.28
  5. Step 5: Solve for x
    x = 493,522,490.28/20,459.36
  6. Step 6: Final answer
    x = 24,122.09

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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.