Home / 51,219.47-76,840.59-15,685.76

Finding the Fourth Proportional to 51,219.47, 76,840.59 and 15,685.76

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Solution

The fourth proportional to 51,219.47, 76,840.59 and 15,685.76 is: 23,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.47 : 76,840.59 = 15,685.76 : x
  2. Step 2: Convert to fraction form
    51,219.47/76,840.59 = 15,685.76/x
  3. Step 3: Cross multiply
    51,219.47x = 76,840.59 × 15,685.76
  4. Step 4: Simplify right side
    51,219.47x = 1,205,303,053.00
  5. Step 5: Solve for x
    x = 1,205,303,053.00/51,219.47
  6. Step 6: Final answer
    x = 23,532.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.