Home / 60,448.32-90,636.84-18,315.60

Finding the Fourth Proportional to 60,448.32, 90,636.84 and 18,315.60

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Solution

The fourth proportional to 60,448.32, 90,636.84 and 18,315.60 is: 27,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,448.32 : 90,636.84 = 18,315.60 : x
  2. Step 2: Convert to fraction form
    60,448.32/90,636.84 = 18,315.60/x
  3. Step 3: Cross multiply
    60,448.32x = 90,636.84 × 18,315.60
  4. Step 4: Simplify right side
    60,448.32x = 1,660,068,106.70
  5. Step 5: Solve for x
    x = 1,660,068,106.70/60,448.32
  6. Step 6: Final answer
    x = 27,462.60

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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.