Home / 38,299.95-52,847.78-21,303.99

Finding the Fourth Proportional to 38,299.95, 52,847.78 and 21,303.99

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Solution

The fourth proportional to 38,299.95, 52,847.78 and 21,303.99 is: 29,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,299.95 : 52,847.78 = 21,303.99 : x
  2. Step 2: Convert to fraction form
    38,299.95/52,847.78 = 21,303.99/x
  3. Step 3: Cross multiply
    38,299.95x = 52,847.78 × 21,303.99
  4. Step 4: Simplify right side
    38,299.95x = 1,125,868,470.12
  5. Step 5: Solve for x
    x = 1,125,868,470.12/38,299.95
  6. Step 6: Final answer
    x = 29,396.08

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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.