Home / 51,221.55-70,659.39-34,220.36

Finding the Fourth Proportional to 51,221.55, 70,659.39 and 34,220.36

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Solution

The fourth proportional to 51,221.55, 70,659.39 and 34,220.36 is: 47,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,221.55 : 70,659.39 = 34,220.36 : x
  2. Step 2: Convert to fraction form
    51,221.55/70,659.39 = 34,220.36/x
  3. Step 3: Cross multiply
    51,221.55x = 70,659.39 × 34,220.36
  4. Step 4: Simplify right side
    51,221.55x = 2,417,989,763.18
  5. Step 5: Solve for x
    x = 2,417,989,763.18/51,221.55
  6. Step 6: Final answer
    x = 47,206.49

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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.