Home / 30,666.21-46,017.17-12,895.58

Finding the Fourth Proportional to 30,666.21, 46,017.17 and 12,895.58

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Solution

The fourth proportional to 30,666.21, 46,017.17 and 12,895.58 is: 19,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,666.21 : 46,017.17 = 12,895.58 : x
  2. Step 2: Convert to fraction form
    30,666.21/46,017.17 = 12,895.58/x
  3. Step 3: Cross multiply
    30,666.21x = 46,017.17 × 12,895.58
  4. Step 4: Simplify right side
    30,666.21x = 593,417,802.54
  5. Step 5: Solve for x
    x = 593,417,802.54/30,666.21
  6. Step 6: Final answer
    x = 19,350.87

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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.