Home / 48,945.36-67,532.98-28,803.12

Finding the Fourth Proportional to 48,945.36, 67,532.98 and 28,803.12

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Solution

The fourth proportional to 48,945.36, 67,532.98 and 28,803.12 is: 39,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,945.36 : 67,532.98 = 28,803.12 : x
  2. Step 2: Convert to fraction form
    48,945.36/67,532.98 = 28,803.12/x
  3. Step 3: Cross multiply
    48,945.36x = 67,532.98 × 28,803.12
  4. Step 4: Simplify right side
    48,945.36x = 1,945,160,526.90
  5. Step 5: Solve for x
    x = 1,945,160,526.90/48,945.36
  6. Step 6: Final answer
    x = 39,741.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.