Home / 42,907.02-64,379.10-23,199.54

Finding the Fourth Proportional to 42,907.02, 64,379.10 and 23,199.54

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Solution

The fourth proportional to 42,907.02, 64,379.10 and 23,199.54 is: 34,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,907.02 : 64,379.10 = 23,199.54 : x
  2. Step 2: Convert to fraction form
    42,907.02/64,379.10 = 23,199.54/x
  3. Step 3: Cross multiply
    42,907.02x = 64,379.10 × 23,199.54
  4. Step 4: Simplify right side
    42,907.02x = 1,493,565,505.61
  5. Step 5: Solve for x
    x = 1,493,565,505.61/42,907.02
  6. Step 6: Final answer
    x = 34,809.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.