Home / 31,495.32-43,465.98-18,070.92

Finding the Fourth Proportional to 31,495.32, 43,465.98 and 18,070.92

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Solution

The fourth proportional to 31,495.32, 43,465.98 and 18,070.92 is: 24,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495.32 : 43,465.98 = 18,070.92 : x
  2. Step 2: Convert to fraction form
    31,495.32/43,465.98 = 18,070.92/x
  3. Step 3: Cross multiply
    31,495.32x = 43,465.98 × 18,070.92
  4. Step 4: Simplify right side
    31,495.32x = 785,470,247.30
  5. Step 5: Solve for x
    x = 785,470,247.30/31,495.32
  6. Step 6: Final answer
    x = 24,939.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.