Home / 30,708.84-45,823.74-27,399.18

Finding the Fourth Proportional to 30,708.84, 45,823.74 and 27,399.18

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Solution

The fourth proportional to 30,708.84, 45,823.74 and 27,399.18 is: 40,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708.84 : 45,823.74 = 27,399.18 : x
  2. Step 2: Convert to fraction form
    30,708.84/45,823.74 = 27,399.18/x
  3. Step 3: Cross multiply
    30,708.84x = 45,823.74 × 27,399.18
  4. Step 4: Simplify right side
    30,708.84x = 1,255,532,900.53
  5. Step 5: Solve for x
    x = 1,255,532,900.53/30,708.84
  6. Step 6: Final answer
    x = 40,885.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.