Home / 42,299.58-58,373.90-23,179.40

Finding the Fourth Proportional to 42,299.58, 58,373.90 and 23,179.40

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Solution

The fourth proportional to 42,299.58, 58,373.90 and 23,179.40 is: 31,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,299.58 : 58,373.90 = 23,179.40 : x
  2. Step 2: Convert to fraction form
    42,299.58/58,373.90 = 23,179.40/x
  3. Step 3: Cross multiply
    42,299.58x = 58,373.90 × 23,179.40
  4. Step 4: Simplify right side
    42,299.58x = 1,353,071,977.66
  5. Step 5: Solve for x
    x = 1,353,071,977.66/42,299.58
  6. Step 6: Final answer
    x = 31,987.83

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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.