Home / 51,409.52-77,114.17-13,975.03

Finding the Fourth Proportional to 51,409.52, 77,114.17 and 13,975.03

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Solution

The fourth proportional to 51,409.52, 77,114.17 and 13,975.03 is: 20,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,409.52 : 77,114.17 = 13,975.03 : x
  2. Step 2: Convert to fraction form
    51,409.52/77,114.17 = 13,975.03/x
  3. Step 3: Cross multiply
    51,409.52x = 77,114.17 × 13,975.03
  4. Step 4: Simplify right side
    51,409.52x = 1,077,672,953.04
  5. Step 5: Solve for x
    x = 1,077,672,953.04/51,409.52
  6. Step 6: Final answer
    x = 20,962.52

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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.