Home / 30,807.78-46,171.40-15,802.23

Finding the Fourth Proportional to 30,807.78, 46,171.40 and 15,802.23

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Solution

The fourth proportional to 30,807.78, 46,171.40 and 15,802.23 is: 23,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807.78 : 46,171.40 = 15,802.23 : x
  2. Step 2: Convert to fraction form
    30,807.78/46,171.40 = 15,802.23/x
  3. Step 3: Cross multiply
    30,807.78x = 46,171.40 × 15,802.23
  4. Step 4: Simplify right side
    30,807.78x = 729,611,082.22
  5. Step 5: Solve for x
    x = 729,611,082.22/30,807.78
  6. Step 6: Final answer
    x = 23,682.69

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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.