Home / 39,780.34-59,667.36-23,129.77

Finding the Fourth Proportional to 39,780.34, 59,667.36 and 23,129.77

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Solution

The fourth proportional to 39,780.34, 59,667.36 and 23,129.77 is: 34,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,780.34 : 59,667.36 = 23,129.77 : x
  2. Step 2: Convert to fraction form
    39,780.34/59,667.36 = 23,129.77/x
  3. Step 3: Cross multiply
    39,780.34x = 59,667.36 × 23,129.77
  4. Step 4: Simplify right side
    39,780.34x = 1,380,092,313.31
  5. Step 5: Solve for x
    x = 1,380,092,313.31/39,780.34
  6. Step 6: Final answer
    x = 34,692.82

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1.5x scale

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.