Home / 38,555.08-53,206.08-21,559.92

Finding the Fourth Proportional to 38,555.08, 53,206.08 and 21,559.92

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Solution

The fourth proportional to 38,555.08, 53,206.08 and 21,559.92 is: 29,752.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,555.08 : 53,206.08 = 21,559.92 : x
  2. Step 2: Convert to fraction form
    38,555.08/53,206.08 = 21,559.92/x
  3. Step 3: Cross multiply
    38,555.08x = 53,206.08 × 21,559.92
  4. Step 4: Simplify right side
    38,555.08x = 1,147,118,828.31
  5. Step 5: Solve for x
    x = 1,147,118,828.31/38,555.08
  6. Step 6: Final answer
    x = 29,752.73

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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.