Home / 48,216.99-72,337.03-20,121.41

Finding the Fourth Proportional to 48,216.99, 72,337.03 and 20,121.41

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Solution

The fourth proportional to 48,216.99, 72,337.03 and 20,121.41 is: 30,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,216.99 : 72,337.03 = 20,121.41 : x
  2. Step 2: Convert to fraction form
    48,216.99/72,337.03 = 20,121.41/x
  3. Step 3: Cross multiply
    48,216.99x = 72,337.03 × 20,121.41
  4. Step 4: Simplify right side
    48,216.99x = 1,455,523,038.81
  5. Step 5: Solve for x
    x = 1,455,523,038.81/48,216.99
  6. Step 6: Final answer
    x = 30,186.93

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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.