Home / 51,416.07-70,953.71-28,754.79

Finding the Fourth Proportional to 51,416.07, 70,953.71 and 28,754.79

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Solution

The fourth proportional to 51,416.07, 70,953.71 and 28,754.79 is: 39,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416.07 : 70,953.71 = 28,754.79 : x
  2. Step 2: Convert to fraction form
    51,416.07/70,953.71 = 28,754.79/x
  3. Step 3: Cross multiply
    51,416.07x = 70,953.71 × 28,754.79
  4. Step 4: Simplify right side
    51,416.07x = 2,040,258,887.00
  5. Step 5: Solve for x
    x = 2,040,258,887.00/51,416.07
  6. Step 6: Final answer
    x = 39,681.35

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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.