Home / 31,949.32-44,090.95-18,338.53

Finding the Fourth Proportional to 31,949.32, 44,090.95 and 18,338.53

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Solution

The fourth proportional to 31,949.32, 44,090.95 and 18,338.53 is: 25,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,949.32 : 44,090.95 = 18,338.53 : x
  2. Step 2: Convert to fraction form
    31,949.32/44,090.95 = 18,338.53/x
  3. Step 3: Cross multiply
    31,949.32x = 44,090.95 × 18,338.53
  4. Step 4: Simplify right side
    31,949.32x = 808,562,897.16
  5. Step 5: Solve for x
    x = 808,562,897.16/31,949.32
  6. Step 6: Final answer
    x = 25,307.68

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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.