Home / 48,056.40-66,297.24-30,139.20

Finding the Fourth Proportional to 48,056.40, 66,297.24 and 30,139.20

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Solution

The fourth proportional to 48,056.40, 66,297.24 and 30,139.20 is: 41,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,056.40 : 66,297.24 = 30,139.20 : x
  2. Step 2: Convert to fraction form
    48,056.40/66,297.24 = 30,139.20/x
  3. Step 3: Cross multiply
    48,056.40x = 66,297.24 × 30,139.20
  4. Step 4: Simplify right side
    48,056.40x = 1,998,145,775.81
  5. Step 5: Solve for x
    x = 1,998,145,775.81/48,056.40
  6. Step 6: Final answer
    x = 41,579.18

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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.