Home / 21,037.46-31,569.85-19,348.00

Finding the Fourth Proportional to 21,037.46, 31,569.85 and 19,348.00

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Solution

The fourth proportional to 21,037.46, 31,569.85 and 19,348.00 is: 29,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.46 : 31,569.85 = 19,348.00 : x
  2. Step 2: Convert to fraction form
    21,037.46/31,569.85 = 19,348.00/x
  3. Step 3: Cross multiply
    21,037.46x = 31,569.85 × 19,348.00
  4. Step 4: Simplify right side
    21,037.46x = 610,813,403.06
  5. Step 5: Solve for x
    x = 610,813,403.06/21,037.46
  6. Step 6: Final answer
    x = 29,034.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.