Home / 30,807.30-46,232.55-19,740.90

Finding the Fourth Proportional to 30,807.30, 46,232.55 and 19,740.90

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Solution

The fourth proportional to 30,807.30, 46,232.55 and 19,740.90 is: 29,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807.30 : 46,232.55 = 19,740.90 : x
  2. Step 2: Convert to fraction form
    30,807.30/46,232.55 = 19,740.90/x
  3. Step 3: Cross multiply
    30,807.30x = 46,232.55 × 19,740.90
  4. Step 4: Simplify right side
    30,807.30x = 912,672,146.30
  5. Step 5: Solve for x
    x = 912,672,146.30/30,807.30
  6. Step 6: Final answer
    x = 29,625.19

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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.