Home / 30,833.61-46,248.51-18,989.64

Finding the Fourth Proportional to 30,833.61, 46,248.51 and 18,989.64

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Solution

The fourth proportional to 30,833.61, 46,248.51 and 18,989.64 is: 28,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.61 : 46,248.51 = 18,989.64 : x
  2. Step 2: Convert to fraction form
    30,833.61/46,248.51 = 18,989.64/x
  3. Step 3: Cross multiply
    30,833.61x = 46,248.51 × 18,989.64
  4. Step 4: Simplify right side
    30,833.61x = 878,242,555.44
  5. Step 5: Solve for x
    x = 878,242,555.44/30,833.61
  6. Step 6: Final answer
    x = 28,483.29

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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.