Home / 51,329.35-70,829.40-28,664.74

Finding the Fourth Proportional to 51,329.35, 70,829.40 and 28,664.74

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Solution

The fourth proportional to 51,329.35, 70,829.40 and 28,664.74 is: 39,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,329.35 : 70,829.40 = 28,664.74 : x
  2. Step 2: Convert to fraction form
    51,329.35/70,829.40 = 28,664.74/x
  3. Step 3: Cross multiply
    51,329.35x = 70,829.40 × 28,664.74
  4. Step 4: Simplify right side
    51,329.35x = 2,030,306,335.36
  5. Step 5: Solve for x
    x = 2,030,306,335.36/51,329.35
  6. Step 6: Final answer
    x = 39,554.49

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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.