Home / 51,014.90-70,397.16-28,352.42

Finding the Fourth Proportional to 51,014.90, 70,397.16 and 28,352.42

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Solution

The fourth proportional to 51,014.90, 70,397.16 and 28,352.42 is: 39,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,014.90 : 70,397.16 = 28,352.42 : x
  2. Step 2: Convert to fraction form
    51,014.90/70,397.16 = 28,352.42/x
  3. Step 3: Cross multiply
    51,014.90x = 70,397.16 × 28,352.42
  4. Step 4: Simplify right side
    51,014.90x = 1,995,929,847.13
  5. Step 5: Solve for x
    x = 1,995,929,847.13/51,014.90
  6. Step 6: Final answer
    x = 39,124.45

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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.