Home / 31,903.07-44,041.32-21,299.76

Finding the Fourth Proportional to 31,903.07, 44,041.32 and 21,299.76

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Solution

The fourth proportional to 31,903.07, 44,041.32 and 21,299.76 is: 29,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.07 : 44,041.32 = 21,299.76 : x
  2. Step 2: Convert to fraction form
    31,903.07/44,041.32 = 21,299.76/x
  3. Step 3: Cross multiply
    31,903.07x = 44,041.32 × 21,299.76
  4. Step 4: Simplify right side
    31,903.07x = 938,069,546.08
  5. Step 5: Solve for x
    x = 938,069,546.08/31,903.07
  6. Step 6: Final answer
    x = 29,403.74

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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.