Home / 49,420.14-74,134.25-16,139.46

Finding the Fourth Proportional to 49,420.14, 74,134.25 and 16,139.46

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Solution

The fourth proportional to 49,420.14, 74,134.25 and 16,139.46 is: 24,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.14 : 74,134.25 = 16,139.46 : x
  2. Step 2: Convert to fraction form
    49,420.14/74,134.25 = 16,139.46/x
  3. Step 3: Cross multiply
    49,420.14x = 74,134.25 × 16,139.46
  4. Step 4: Simplify right side
    49,420.14x = 1,196,486,762.51
  5. Step 5: Solve for x
    x = 1,196,486,762.51/49,420.14
  6. Step 6: Final answer
    x = 24,210.51

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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.