Home / 51,166.35-70,614.76-28,509.03

Finding the Fourth Proportional to 51,166.35, 70,614.76 and 28,509.03

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Solution

The fourth proportional to 51,166.35, 70,614.76 and 28,509.03 is: 39,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,166.35 : 70,614.76 = 28,509.03 : x
  2. Step 2: Convert to fraction form
    51,166.35/70,614.76 = 28,509.03/x
  3. Step 3: Cross multiply
    51,166.35x = 70,614.76 × 28,509.03
  4. Step 4: Simplify right side
    51,166.35x = 2,013,158,311.28
  5. Step 5: Solve for x
    x = 2,013,158,311.28/51,166.35
  6. Step 6: Final answer
    x = 39,345.36

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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.