Home / 40,754.21-61,140.11-12,673.71

Finding the Fourth Proportional to 40,754.21, 61,140.11 and 12,673.71

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Solution

The fourth proportional to 40,754.21, 61,140.11 and 12,673.71 is: 19,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,754.21 : 61,140.11 = 12,673.71 : x
  2. Step 2: Convert to fraction form
    40,754.21/61,140.11 = 12,673.71/x
  3. Step 3: Cross multiply
    40,754.21x = 61,140.11 × 12,673.71
  4. Step 4: Simplify right side
    40,754.21x = 774,871,960.14
  5. Step 5: Solve for x
    x = 774,871,960.14/40,754.21
  6. Step 6: Final answer
    x = 19,013.30

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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.