Home / 39,579.48-59,394.06-28,885.68

Finding the Fourth Proportional to 39,579.48, 59,394.06 and 28,885.68

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Solution

The fourth proportional to 39,579.48, 59,394.06 and 28,885.68 is: 43,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,579.48 : 59,394.06 = 28,885.68 : x
  2. Step 2: Convert to fraction form
    39,579.48/59,394.06 = 28,885.68/x
  3. Step 3: Cross multiply
    39,579.48x = 59,394.06 × 28,885.68
  4. Step 4: Simplify right side
    39,579.48x = 1,715,637,811.06
  5. Step 5: Solve for x
    x = 1,715,637,811.06/39,579.48
  6. Step 6: Final answer
    x = 43,346.65

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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.