Home / 30,926.18-46,395.58-13,156.81

Finding the Fourth Proportional to 30,926.18, 46,395.58 and 13,156.81

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Solution

The fourth proportional to 30,926.18, 46,395.58 and 13,156.81 is: 19,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.18 : 46,395.58 = 13,156.81 : x
  2. Step 2: Convert to fraction form
    30,926.18/46,395.58 = 13,156.81/x
  3. Step 3: Cross multiply
    30,926.18x = 46,395.58 × 13,156.81
  4. Step 4: Simplify right side
    30,926.18x = 610,417,830.90
  5. Step 5: Solve for x
    x = 610,417,830.90/30,926.18
  6. Step 6: Final answer
    x = 19,737.90

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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.