Home / 38,277.32-52,823.84-21,048.78

Finding the Fourth Proportional to 38,277.32, 52,823.84 and 21,048.78

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Solution

The fourth proportional to 38,277.32, 52,823.84 and 21,048.78 is: 29,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.32 : 52,823.84 = 21,048.78 : x
  2. Step 2: Convert to fraction form
    38,277.32/52,823.84 = 21,048.78/x
  3. Step 3: Cross multiply
    38,277.32x = 52,823.84 × 21,048.78
  4. Step 4: Simplify right side
    38,277.32x = 1,111,877,386.92
  5. Step 5: Solve for x
    x = 1,111,877,386.92/38,277.32
  6. Step 6: Final answer
    x = 29,047.94

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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.