Home / 51,119.10-70,548.75-28,457.70

Finding the Fourth Proportional to 51,119.10, 70,548.75 and 28,457.70

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Solution

The fourth proportional to 51,119.10, 70,548.75 and 28,457.70 is: 39,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,119.10 : 70,548.75 = 28,457.70 : x
  2. Step 2: Convert to fraction form
    51,119.10/70,548.75 = 28,457.70/x
  3. Step 3: Cross multiply
    51,119.10x = 70,548.75 × 28,457.70
  4. Step 4: Simplify right side
    51,119.10x = 2,007,655,162.88
  5. Step 5: Solve for x
    x = 2,007,655,162.88/51,119.10
  6. Step 6: Final answer
    x = 39,274.07

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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.