Home / 60,306.56-90,457.22-20,322.90

Finding the Fourth Proportional to 60,306.56, 90,457.22 and 20,322.90

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Solution

The fourth proportional to 60,306.56, 90,457.22 and 20,322.90 is: 30,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,306.56 : 90,457.22 = 20,322.90 : x
  2. Step 2: Convert to fraction form
    60,306.56/90,457.22 = 20,322.90/x
  3. Step 3: Cross multiply
    60,306.56x = 90,457.22 × 20,322.90
  4. Step 4: Simplify right side
    60,306.56x = 1,838,353,087.15
  5. Step 5: Solve for x
    x = 1,838,353,087.15/60,306.56
  6. Step 6: Final answer
    x = 30,483.47

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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.