Home / 51,686.16-77,480.01-16,601.21

Finding the Fourth Proportional to 51,686.16, 77,480.01 and 16,601.21

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Solution

The fourth proportional to 51,686.16, 77,480.01 and 16,601.21 is: 24,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686.16 : 77,480.01 = 16,601.21 : x
  2. Step 2: Convert to fraction form
    51,686.16/77,480.01 = 16,601.21/x
  3. Step 3: Cross multiply
    51,686.16x = 77,480.01 × 16,601.21
  4. Step 4: Simplify right side
    51,686.16x = 1,286,261,529.41
  5. Step 5: Solve for x
    x = 1,286,261,529.41/51,686.16
  6. Step 6: Final answer
    x = 24,886.00

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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.