Home / 39,965.08-59,947.60-11,885.02

Finding the Fourth Proportional to 39,965.08, 59,947.60 and 11,885.02

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Solution

The fourth proportional to 39,965.08, 59,947.60 and 11,885.02 is: 17,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.08 : 59,947.60 = 11,885.02 : x
  2. Step 2: Convert to fraction form
    39,965.08/59,947.60 = 11,885.02/x
  3. Step 3: Cross multiply
    39,965.08x = 59,947.60 × 11,885.02
  4. Step 4: Simplify right side
    39,965.08x = 712,478,424.95
  5. Step 5: Solve for x
    x = 712,478,424.95/39,965.08
  6. Step 6: Final answer
    x = 17,827.52

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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.