Home / 42,305.12-58,378.52-23,181.08

Finding the Fourth Proportional to 42,305.12, 58,378.52 and 23,181.08

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Solution

The fourth proportional to 42,305.12, 58,378.52 and 23,181.08 is: 31,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,305.12 : 58,378.52 = 23,181.08 : x
  2. Step 2: Convert to fraction form
    42,305.12/58,378.52 = 23,181.08/x
  3. Step 3: Cross multiply
    42,305.12x = 58,378.52 × 23,181.08
  4. Step 4: Simplify right side
    42,305.12x = 1,353,277,142.40
  5. Step 5: Solve for x
    x = 1,353,277,142.40/42,305.12
  6. Step 6: Final answer
    x = 31,988.50

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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.