Home / 51,768.28-71,439.86-29,412.28

Finding the Fourth Proportional to 51,768.28, 71,439.86 and 29,412.28

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Solution

The fourth proportional to 51,768.28, 71,439.86 and 29,412.28 is: 40,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,768.28 : 71,439.86 = 29,412.28 : x
  2. Step 2: Convert to fraction form
    51,768.28/71,439.86 = 29,412.28/x
  3. Step 3: Cross multiply
    51,768.28x = 71,439.86 × 29,412.28
  4. Step 4: Simplify right side
    51,768.28x = 2,101,209,165.48
  5. Step 5: Solve for x
    x = 2,101,209,165.48/51,768.28
  6. Step 6: Final answer
    x = 40,588.74

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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.