Home / 35,784.80-53,692.38-19,140.50

Finding the Fourth Proportional to 35,784.80, 53,692.38 and 19,140.50

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Solution

The fourth proportional to 35,784.80, 53,692.38 and 19,140.50 is: 28,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,784.80 : 53,692.38 = 19,140.50 : x
  2. Step 2: Convert to fraction form
    35,784.80/53,692.38 = 19,140.50/x
  3. Step 3: Cross multiply
    35,784.80x = 53,692.38 × 19,140.50
  4. Step 4: Simplify right side
    35,784.80x = 1,027,698,999.39
  5. Step 5: Solve for x
    x = 1,027,698,999.39/35,784.80
  6. Step 6: Final answer
    x = 28,718.87

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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.