Home / 29,477.69-40,667.16-18,143.77

Finding the Fourth Proportional to 29,477.69, 40,667.16 and 18,143.77

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Solution

The fourth proportional to 29,477.69, 40,667.16 and 18,143.77 is: 25,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477.69 : 40,667.16 = 18,143.77 : x
  2. Step 2: Convert to fraction form
    29,477.69/40,667.16 = 18,143.77/x
  3. Step 3: Cross multiply
    29,477.69x = 40,667.16 × 18,143.77
  4. Step 4: Simplify right side
    29,477.69x = 737,855,597.59
  5. Step 5: Solve for x
    x = 737,855,597.59/29,477.69
  6. Step 6: Final answer
    x = 25,030.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.