Home / 31,877.37-47,816.01-9,690.84

Finding the Fourth Proportional to 31,877.37, 47,816.01 and 9,690.84

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Solution

The fourth proportional to 31,877.37, 47,816.01 and 9,690.84 is: 14,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.37 : 47,816.01 = 9,690.84 : x
  2. Step 2: Convert to fraction form
    31,877.37/47,816.01 = 9,690.84/x
  3. Step 3: Cross multiply
    31,877.37x = 47,816.01 × 9,690.84
  4. Step 4: Simplify right side
    31,877.37x = 463,377,302.35
  5. Step 5: Solve for x
    x = 463,377,302.35/31,877.37
  6. Step 6: Final answer
    x = 14,536.25

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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.