Home / 31,457.07-47,198.57-23,178.87

Finding the Fourth Proportional to 31,457.07, 47,198.57 and 23,178.87

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Solution

The fourth proportional to 31,457.07, 47,198.57 and 23,178.87 is: 34,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.07 : 47,198.57 = 23,178.87 : x
  2. Step 2: Convert to fraction form
    31,457.07/47,198.57 = 23,178.87/x
  3. Step 3: Cross multiply
    31,457.07x = 47,198.57 × 23,178.87
  4. Step 4: Simplify right side
    31,457.07x = 1,094,009,402.32
  5. Step 5: Solve for x
    x = 1,094,009,402.32/31,457.07
  6. Step 6: Final answer
    x = 34,777.85

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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.