Home / 51,015.41-70,397.85-28,352.93

Finding the Fourth Proportional to 51,015.41, 70,397.85 and 28,352.93

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Solution

The fourth proportional to 51,015.41, 70,397.85 and 28,352.93 is: 39,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.41 : 70,397.85 = 28,352.93 : x
  2. Step 2: Convert to fraction form
    51,015.41/70,397.85 = 28,352.93/x
  3. Step 3: Cross multiply
    51,015.41x = 70,397.85 × 28,352.93
  4. Step 4: Simplify right side
    51,015.41x = 1,995,984,961.21
  5. Step 5: Solve for x
    x = 1,995,984,961.21/51,015.41
  6. Step 6: Final answer
    x = 39,125.14

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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.