Home / 30,681.13-46,014.81-11,954.74

Finding the Fourth Proportional to 30,681.13, 46,014.81 and 11,954.74

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Solution

The fourth proportional to 30,681.13, 46,014.81 and 11,954.74 is: 17,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.13 : 46,014.81 = 11,954.74 : x
  2. Step 2: Convert to fraction form
    30,681.13/46,014.81 = 11,954.74/x
  3. Step 3: Cross multiply
    30,681.13x = 46,014.81 × 11,954.74
  4. Step 4: Simplify right side
    30,681.13x = 550,095,089.70
  5. Step 5: Solve for x
    x = 550,095,089.70/30,681.13
  6. Step 6: Final answer
    x = 17,929.43

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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.