Home / 38,340.98-52,898.34-21,570.74

Finding the Fourth Proportional to 38,340.98, 52,898.34 and 21,570.74

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Solution

The fourth proportional to 38,340.98, 52,898.34 and 21,570.74 is: 29,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.98 : 52,898.34 = 21,570.74 : x
  2. Step 2: Convert to fraction form
    38,340.98/52,898.34 = 21,570.74/x
  3. Step 3: Cross multiply
    38,340.98x = 52,898.34 × 21,570.74
  4. Step 4: Simplify right side
    38,340.98x = 1,141,056,338.57
  5. Step 5: Solve for x
    x = 1,141,056,338.57/38,340.98
  6. Step 6: Final answer
    x = 29,760.75

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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.