Home / 48,300.06-72,436.05-18,711.30

Finding the Fourth Proportional to 48,300.06, 72,436.05 and 18,711.30

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Solution

The fourth proportional to 48,300.06, 72,436.05 and 18,711.30 is: 28,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,300.06 : 72,436.05 = 18,711.30 : x
  2. Step 2: Convert to fraction form
    48,300.06/72,436.05 = 18,711.30/x
  3. Step 3: Cross multiply
    48,300.06x = 72,436.05 × 18,711.30
  4. Step 4: Simplify right side
    48,300.06x = 1,355,372,662.37
  5. Step 5: Solve for x
    x = 1,355,372,662.37/48,300.06
  6. Step 6: Final answer
    x = 28,061.51

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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.