Home / 30,171.39-45,437.76-27,477.94

Finding the Fourth Proportional to 30,171.39, 45,437.76 and 27,477.94

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Solution

The fourth proportional to 30,171.39, 45,437.76 and 27,477.94 is: 41,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.39 : 45,437.76 = 27,477.94 : x
  2. Step 2: Convert to fraction form
    30,171.39/45,437.76 = 27,477.94/x
  3. Step 3: Cross multiply
    30,171.39x = 45,437.76 × 27,477.94
  4. Step 4: Simplify right side
    30,171.39x = 1,248,536,043.01
  5. Step 5: Solve for x
    x = 1,248,536,043.01/30,171.39
  6. Step 6: Final answer
    x = 41,381.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.