Home / 48,278.51-72,417.81-20,183.18

Finding the Fourth Proportional to 48,278.51, 72,417.81 and 20,183.18

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Solution

The fourth proportional to 48,278.51, 72,417.81 and 20,183.18 is: 30,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.51 : 72,417.81 = 20,183.18 : x
  2. Step 2: Convert to fraction form
    48,278.51/72,417.81 = 20,183.18/x
  3. Step 3: Cross multiply
    48,278.51x = 72,417.81 × 20,183.18
  4. Step 4: Simplify right side
    48,278.51x = 1,461,621,332.35
  5. Step 5: Solve for x
    x = 1,461,621,332.35/48,278.51
  6. Step 6: Final answer
    x = 30,274.78

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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.