Home / 31,746.07-47,618.70-10,690.75

Finding the Fourth Proportional to 31,746.07, 47,618.70 and 10,690.75

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Solution

The fourth proportional to 31,746.07, 47,618.70 and 10,690.75 is: 16,035.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,746.07 : 47,618.70 = 10,690.75 : x
  2. Step 2: Convert to fraction form
    31,746.07/47,618.70 = 10,690.75/x
  3. Step 3: Cross multiply
    31,746.07x = 47,618.70 × 10,690.75
  4. Step 4: Simplify right side
    31,746.07x = 509,079,617.03
  5. Step 5: Solve for x
    x = 509,079,617.03/31,746.07
  6. Step 6: Final answer
    x = 16,035.99

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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.