Home / 54,692.40-75,477.08-30,817.76

Finding the Fourth Proportional to 54,692.40, 75,477.08 and 30,817.76

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Solution

The fourth proportional to 54,692.40, 75,477.08 and 30,817.76 is: 42,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,692.40 : 75,477.08 = 30,817.76 : x
  2. Step 2: Convert to fraction form
    54,692.40/75,477.08 = 30,817.76/x
  3. Step 3: Cross multiply
    54,692.40x = 75,477.08 × 30,817.76
  4. Step 4: Simplify right side
    54,692.40x = 2,326,034,536.94
  5. Step 5: Solve for x
    x = 2,326,034,536.94/54,692.40
  6. Step 6: Final answer
    x = 42,529.39

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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.