Home / 60,901.56-91,350.20-21,457.80

Finding the Fourth Proportional to 60,901.56, 91,350.20 and 21,457.80

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Solution

The fourth proportional to 60,901.56, 91,350.20 and 21,457.80 is: 32,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,901.56 : 91,350.20 = 21,457.80 : x
  2. Step 2: Convert to fraction form
    60,901.56/91,350.20 = 21,457.80/x
  3. Step 3: Cross multiply
    60,901.56x = 91,350.20 × 21,457.80
  4. Step 4: Simplify right side
    60,901.56x = 1,960,174,214.27
  5. Step 5: Solve for x
    x = 1,960,174,214.27/60,901.56
  6. Step 6: Final answer
    x = 32,185.94

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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.