Home / 40,315.81-60,479.19-14,017.15

Finding the Fourth Proportional to 40,315.81, 60,479.19 and 14,017.15

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Solution

The fourth proportional to 40,315.81, 60,479.19 and 14,017.15 is: 21,027.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.81 : 60,479.19 = 14,017.15 : x
  2. Step 2: Convert to fraction form
    40,315.81/60,479.19 = 14,017.15/x
  3. Step 3: Cross multiply
    40,315.81x = 60,479.19 × 14,017.15
  4. Step 4: Simplify right side
    40,315.81x = 847,745,878.11
  5. Step 5: Solve for x
    x = 847,745,878.11/40,315.81
  6. Step 6: Final answer
    x = 21,027.63

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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.