Home / 51,029.29-70,420.04-28,370.35

Finding the Fourth Proportional to 51,029.29, 70,420.04 and 28,370.35

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Solution

The fourth proportional to 51,029.29, 70,420.04 and 28,370.35 is: 39,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,029.29 : 70,420.04 = 28,370.35 : x
  2. Step 2: Convert to fraction form
    51,029.29/70,420.04 = 28,370.35/x
  3. Step 3: Cross multiply
    51,029.29x = 70,420.04 × 28,370.35
  4. Step 4: Simplify right side
    51,029.29x = 1,997,841,181.81
  5. Step 5: Solve for x
    x = 1,997,841,181.81/51,029.29
  6. Step 6: Final answer
    x = 39,150.87

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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.