Home / 48,274.48-72,411.81-20,179.18

Finding the Fourth Proportional to 48,274.48, 72,411.81 and 20,179.18

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Solution

The fourth proportional to 48,274.48, 72,411.81 and 20,179.18 is: 30,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,274.48 : 72,411.81 = 20,179.18 : x
  2. Step 2: Convert to fraction form
    48,274.48/72,411.81 = 20,179.18/x
  3. Step 3: Cross multiply
    48,274.48x = 72,411.81 × 20,179.18
  4. Step 4: Simplify right side
    48,274.48x = 1,461,210,948.12
  5. Step 5: Solve for x
    x = 1,461,210,948.12/48,274.48
  6. Step 6: Final answer
    x = 30,268.81

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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.