Home / 60,290.46-90,457.38-20,851.56

Finding the Fourth Proportional to 60,290.46, 90,457.38 and 20,851.56

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Solution

The fourth proportional to 60,290.46, 90,457.38 and 20,851.56 is: 31,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,290.46 : 90,457.38 = 20,851.56 : x
  2. Step 2: Convert to fraction form
    60,290.46/90,457.38 = 20,851.56/x
  3. Step 3: Cross multiply
    60,290.46x = 90,457.38 × 20,851.56
  4. Step 4: Simplify right side
    60,290.46x = 1,886,177,486.51
  5. Step 5: Solve for x
    x = 1,886,177,486.51/60,290.46
  6. Step 6: Final answer
    x = 31,284.84

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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.