Home / 30,926.18-46,395.58-13,156.80

Finding the Fourth Proportional to 30,926.18, 46,395.58 and 13,156.80

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Solution

The fourth proportional to 30,926.18, 46,395.58 and 13,156.80 is: 19,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.18 : 46,395.58 = 13,156.80 : x
  2. Step 2: Convert to fraction form
    30,926.18/46,395.58 = 13,156.80/x
  3. Step 3: Cross multiply
    30,926.18x = 46,395.58 × 13,156.80
  4. Step 4: Simplify right side
    30,926.18x = 610,417,366.94
  5. Step 5: Solve for x
    x = 610,417,366.94/30,926.18
  6. Step 6: Final answer
    x = 19,737.88

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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.