Home / 31,200,047.84-43,056,978.32-17,072,082.51

Finding the Fourth Proportional to 31,200,047.84, 43,056,978.32 and 17,072,082.51

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Solution

The fourth proportional to 31,200,047.84, 43,056,978.32 and 17,072,082.51 is: 23,559,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200,047.84 : 43,056,978.32 = 17,072,082.51 : x
  2. Step 2: Convert to fraction form
    31,200,047.84/43,056,978.32 = 17,072,082.51/x
  3. Step 3: Cross multiply
    31,200,047.84x = 43,056,978.32 × 17,072,082.51
  4. Step 4: Simplify right side
    31,200,047.84x = 735,072,286,424,960.75
  5. Step 5: Solve for x
    x = 735,072,286,424,960.75/31,200,047.84
  6. Step 6: Final answer
    x = 23,559,973.06

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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.