Home / 39,322.92-54,263.76-21,417.84

Finding the Fourth Proportional to 39,322.92, 54,263.76 and 21,417.84

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Solution

The fourth proportional to 39,322.92, 54,263.76 and 21,417.84 is: 29,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.92 : 54,263.76 = 21,417.84 : x
  2. Step 2: Convert to fraction form
    39,322.92/54,263.76 = 21,417.84/x
  3. Step 3: Cross multiply
    39,322.92x = 54,263.76 × 21,417.84
  4. Step 4: Simplify right side
    39,322.92x = 1,162,212,529.48
  5. Step 5: Solve for x
    x = 1,162,212,529.48/39,322.92
  6. Step 6: Final answer
    x = 29,555.60

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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.