Home / 29,870.34-41,218.80-17,123.40

Finding the Fourth Proportional to 29,870.34, 41,218.80 and 17,123.40

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Solution

The fourth proportional to 29,870.34, 41,218.80 and 17,123.40 is: 23,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,870.34 : 41,218.80 = 17,123.40 : x
  2. Step 2: Convert to fraction form
    29,870.34/41,218.80 = 17,123.40/x
  3. Step 3: Cross multiply
    29,870.34x = 41,218.80 × 17,123.40
  4. Step 4: Simplify right side
    29,870.34x = 705,805,999.92
  5. Step 5: Solve for x
    x = 705,805,999.92/29,870.34
  6. Step 6: Final answer
    x = 23,628.99

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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.