Home / 51,059.80-70,455.18-28,397.62

Finding the Fourth Proportional to 51,059.80, 70,455.18 and 28,397.62

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Solution

The fourth proportional to 51,059.80, 70,455.18 and 28,397.62 is: 39,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,059.80 : 70,455.18 = 28,397.62 : x
  2. Step 2: Convert to fraction form
    51,059.80/70,455.18 = 28,397.62/x
  3. Step 3: Cross multiply
    51,059.80x = 70,455.18 × 28,397.62
  4. Step 4: Simplify right side
    51,059.80x = 2,000,759,428.67
  5. Step 5: Solve for x
    x = 2,000,759,428.67/51,059.80
  6. Step 6: Final answer
    x = 39,184.63

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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.