Home / 51,031.73-70,424.96-28,369.86

Finding the Fourth Proportional to 51,031.73, 70,424.96 and 28,369.86

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Solution

The fourth proportional to 51,031.73, 70,424.96 and 28,369.86 is: 39,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031.73 : 70,424.96 = 28,369.86 : x
  2. Step 2: Convert to fraction form
    51,031.73/70,424.96 = 28,369.86/x
  3. Step 3: Cross multiply
    51,031.73x = 70,424.96 × 28,369.86
  4. Step 4: Simplify right side
    51,031.73x = 1,997,946,113.86
  5. Step 5: Solve for x
    x = 1,997,946,113.86/51,031.73
  6. Step 6: Final answer
    x = 39,151.06

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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.