Home / 46,151.81-69,226.72-12,870.99

Finding the Fourth Proportional to 46,151.81, 69,226.72 and 12,870.99

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Solution

The fourth proportional to 46,151.81, 69,226.72 and 12,870.99 is: 19,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,151.81 : 69,226.72 = 12,870.99 : x
  2. Step 2: Convert to fraction form
    46,151.81/69,226.72 = 12,870.99/x
  3. Step 3: Cross multiply
    46,151.81x = 69,226.72 × 12,870.99
  4. Step 4: Simplify right side
    46,151.81x = 891,016,420.85
  5. Step 5: Solve for x
    x = 891,016,420.85/46,151.81
  6. Step 6: Final answer
    x = 19,306.21

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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.