Home / 50,148.21-75,210.02-20,574.51

Finding the Fourth Proportional to 50,148.21, 75,210.02 and 20,574.51

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Solution

The fourth proportional to 50,148.21, 75,210.02 and 20,574.51 is: 30,856.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,148.21 : 75,210.02 = 20,574.51 : x
  2. Step 2: Convert to fraction form
    50,148.21/75,210.02 = 20,574.51/x
  3. Step 3: Cross multiply
    50,148.21x = 75,210.02 × 20,574.51
  4. Step 4: Simplify right side
    50,148.21x = 1,547,409,000.83
  5. Step 5: Solve for x
    x = 1,547,409,000.83/50,148.21
  6. Step 6: Final answer
    x = 30,856.71

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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.