Home / 48,298.81-72,434.18-18,710.05

Finding the Fourth Proportional to 48,298.81, 72,434.18 and 18,710.05

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Solution

The fourth proportional to 48,298.81, 72,434.18 and 18,710.05 is: 28,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,298.81 : 72,434.18 = 18,710.05 : x
  2. Step 2: Convert to fraction form
    48,298.81/72,434.18 = 18,710.05/x
  3. Step 3: Cross multiply
    48,298.81x = 72,434.18 × 18,710.05
  4. Step 4: Simplify right side
    48,298.81x = 1,355,247,035.96
  5. Step 5: Solve for x
    x = 1,355,247,035.96/48,298.81
  6. Step 6: Final answer
    x = 28,059.64

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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.