Home / 35,981.73-49,660.80-20,886.93

Finding the Fourth Proportional to 35,981.73, 49,660.80 and 20,886.93

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Solution

The fourth proportional to 35,981.73, 49,660.80 and 20,886.93 is: 28,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.73 : 49,660.80 = 20,886.93 : x
  2. Step 2: Convert to fraction form
    35,981.73/49,660.80 = 20,886.93/x
  3. Step 3: Cross multiply
    35,981.73x = 49,660.80 × 20,886.93
  4. Step 4: Simplify right side
    35,981.73x = 1,037,261,653.34
  5. Step 5: Solve for x
    x = 1,037,261,653.34/35,981.73
  6. Step 6: Final answer
    x = 28,827.45

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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.