Home / 39,227.63-54,132.54-21,322.22

Finding the Fourth Proportional to 39,227.63, 54,132.54 and 21,322.22

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Solution

The fourth proportional to 39,227.63, 54,132.54 and 21,322.22 is: 29,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,227.63 : 54,132.54 = 21,322.22 : x
  2. Step 2: Convert to fraction form
    39,227.63/54,132.54 = 21,322.22/x
  3. Step 3: Cross multiply
    39,227.63x = 54,132.54 × 21,322.22
  4. Step 4: Simplify right side
    39,227.63x = 1,154,225,927.04
  5. Step 5: Solve for x
    x = 1,154,225,927.04/39,227.63
  6. Step 6: Final answer
    x = 29,423.80

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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.