Home / 39,630.12-59,482.16-20,924

Finding the Fourth Proportional to 39,630.12, 59,482.16 and 20,924

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Solution

The fourth proportional to 39,630.12, 59,482.16 and 20,924 is: 31,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630.12 : 59,482.16 = 20,924 : x
  2. Step 2: Convert to fraction form
    39,630.12/59,482.16 = 20,924/x
  3. Step 3: Cross multiply
    39,630.12x = 59,482.16 × 20,924
  4. Step 4: Simplify right side
    39,630.12x = 1,244,604,715.84
  5. Step 5: Solve for x
    x = 1,244,604,715.84/39,630.12
  6. Step 6: Final answer
    x = 31,405.52

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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.