Home / 39,780.98-59,667.60-13,482.62

Finding the Fourth Proportional to 39,780.98, 59,667.60 and 13,482.62

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Solution

The fourth proportional to 39,780.98, 59,667.60 and 13,482.62 is: 20,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,780.98 : 59,667.60 = 13,482.62 : x
  2. Step 2: Convert to fraction form
    39,780.98/59,667.60 = 13,482.62/x
  3. Step 3: Cross multiply
    39,780.98x = 59,667.60 × 13,482.62
  4. Step 4: Simplify right side
    39,780.98x = 804,475,577.11
  5. Step 5: Solve for x
    x = 804,475,577.11/39,780.98
  6. Step 6: Final answer
    x = 20,222.62

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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.