Home / 38,436,037.96-53,041,731.84-21,032,382.67

Finding the Fourth Proportional to 38,436,037.96, 53,041,731.84 and 21,032,382.67

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Solution

The fourth proportional to 38,436,037.96, 53,041,731.84 and 21,032,382.67 is: 29,024,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436,037.96 : 53,041,731.84 = 21,032,382.67 : x
  2. Step 2: Convert to fraction form
    38,436,037.96/53,041,731.84 = 21,032,382.67/x
  3. Step 3: Cross multiply
    38,436,037.96x = 53,041,731.84 × 21,032,382.67
  4. Step 4: Simplify right side
    38,436,037.96x = 1,115,594,001,538,403.38
  5. Step 5: Solve for x
    x = 1,115,594,001,538,403.38/38,436,037.96
  6. Step 6: Final answer
    x = 29,024,687.79

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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.