Home / 51,014.29-70,400.91-28,354.23

Finding the Fourth Proportional to 51,014.29, 70,400.91 and 28,354.23

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Solution

The fourth proportional to 51,014.29, 70,400.91 and 28,354.23 is: 39,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,014.29 : 70,400.91 = 28,354.23 : x
  2. Step 2: Convert to fraction form
    51,014.29/70,400.91 = 28,354.23/x
  3. Step 3: Cross multiply
    51,014.29x = 70,400.91 × 28,354.23
  4. Step 4: Simplify right side
    51,014.29x = 1,996,163,680.06
  5. Step 5: Solve for x
    x = 1,996,163,680.06/51,014.29
  6. Step 6: Final answer
    x = 39,129.50

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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.