Home / 51,657.84-71,152.02-39,698.28

Finding the Fourth Proportional to 51,657.84, 71,152.02 and 39,698.28

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Solution

The fourth proportional to 51,657.84, 71,152.02 and 39,698.28 is: 54,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,657.84 : 71,152.02 = 39,698.28 : x
  2. Step 2: Convert to fraction form
    51,657.84/71,152.02 = 39,698.28/x
  3. Step 3: Cross multiply
    51,657.84x = 71,152.02 × 39,698.28
  4. Step 4: Simplify right side
    51,657.84x = 2,824,612,812.53
  5. Step 5: Solve for x
    x = 2,824,612,812.53/51,657.84
  6. Step 6: Final answer
    x = 54,679.27

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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.