Home / 39,181.34-54,068.75-21,275.95

Finding the Fourth Proportional to 39,181.34, 54,068.75 and 21,275.95

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Solution

The fourth proportional to 39,181.34, 54,068.75 and 21,275.95 is: 29,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181.34 : 54,068.75 = 21,275.95 : x
  2. Step 2: Convert to fraction form
    39,181.34/54,068.75 = 21,275.95/x
  3. Step 3: Cross multiply
    39,181.34x = 54,068.75 × 21,275.95
  4. Step 4: Simplify right side
    39,181.34x = 1,150,364,021.56
  5. Step 5: Solve for x
    x = 1,150,364,021.56/39,181.34
  6. Step 6: Final answer
    x = 29,360.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.