Home / 39,888.91-59,840.48-13,236.50

Finding the Fourth Proportional to 39,888.91, 59,840.48 and 13,236.50

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Solution

The fourth proportional to 39,888.91, 59,840.48 and 13,236.50 is: 19,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888.91 : 59,840.48 = 13,236.50 : x
  2. Step 2: Convert to fraction form
    39,888.91/59,840.48 = 13,236.50/x
  3. Step 3: Cross multiply
    39,888.91x = 59,840.48 × 13,236.50
  4. Step 4: Simplify right side
    39,888.91x = 792,078,513.52
  5. Step 5: Solve for x
    x = 792,078,513.52/39,888.91
  6. Step 6: Final answer
    x = 19,857.11

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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.