Home / 51,013.89-70,398.86-28,352.52

Finding the Fourth Proportional to 51,013.89, 70,398.86 and 28,352.52

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Solution

The fourth proportional to 51,013.89, 70,398.86 and 28,352.52 is: 39,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.89 : 70,398.86 = 28,352.52 : x
  2. Step 2: Convert to fraction form
    51,013.89/70,398.86 = 28,352.52/x
  3. Step 3: Cross multiply
    51,013.89x = 70,398.86 × 28,352.52
  4. Step 4: Simplify right side
    51,013.89x = 1,995,984,944.36
  5. Step 5: Solve for x
    x = 1,995,984,944.36/51,013.89
  6. Step 6: Final answer
    x = 39,126.30

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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.