Home / 39,976.76-59,953.80-11,895.68

Finding the Fourth Proportional to 39,976.76, 59,953.80 and 11,895.68

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Solution

The fourth proportional to 39,976.76, 59,953.80 and 11,895.68 is: 17,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.76 : 59,953.80 = 11,895.68 : x
  2. Step 2: Convert to fraction form
    39,976.76/59,953.80 = 11,895.68/x
  3. Step 3: Cross multiply
    39,976.76x = 59,953.80 × 11,895.68
  4. Step 4: Simplify right side
    39,976.76x = 713,191,219.58
  5. Step 5: Solve for x
    x = 713,191,219.58/39,976.76
  6. Step 6: Final answer
    x = 17,840.15

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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.