Home / 53,890.70-74,369.32-29,690.84

Finding the Fourth Proportional to 53,890.70, 74,369.32 and 29,690.84

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Solution

The fourth proportional to 53,890.70, 74,369.32 and 29,690.84 is: 40,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.70 : 74,369.32 = 29,690.84 : x
  2. Step 2: Convert to fraction form
    53,890.70/74,369.32 = 29,690.84/x
  3. Step 3: Cross multiply
    53,890.70x = 74,369.32 × 29,690.84
  4. Step 4: Simplify right side
    53,890.70x = 2,208,087,692.72
  5. Step 5: Solve for x
    x = 2,208,087,692.72/53,890.70
  6. Step 6: Final answer
    x = 40,973.45

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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.