Home / 31,156.50-46,797.66-18,700.20

Finding the Fourth Proportional to 31,156.50, 46,797.66 and 18,700.20

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Solution

The fourth proportional to 31,156.50, 46,797.66 and 18,700.20 is: 28,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,156.50 : 46,797.66 = 18,700.20 : x
  2. Step 2: Convert to fraction form
    31,156.50/46,797.66 = 18,700.20/x
  3. Step 3: Cross multiply
    31,156.50x = 46,797.66 × 18,700.20
  4. Step 4: Simplify right side
    31,156.50x = 875,125,601.53
  5. Step 5: Solve for x
    x = 875,125,601.53/31,156.50
  6. Step 6: Final answer
    x = 28,088.06

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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.