Home / 40,312.94-60,453.84-13,288.79

Finding the Fourth Proportional to 40,312.94, 60,453.84 and 13,288.79

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Solution

The fourth proportional to 40,312.94, 60,453.84 and 13,288.79 is: 19,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.94 : 60,453.84 = 13,288.79 : x
  2. Step 2: Convert to fraction form
    40,312.94/60,453.84 = 13,288.79/x
  3. Step 3: Cross multiply
    40,312.94x = 60,453.84 × 13,288.79
  4. Step 4: Simplify right side
    40,312.94x = 803,358,082.18
  5. Step 5: Solve for x
    x = 803,358,082.18/40,312.94
  6. Step 6: Final answer
    x = 19,928.05

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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.