Home / 51,020.66-70,407.60-28,359.24

Finding the Fourth Proportional to 51,020.66, 70,407.60 and 28,359.24

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Solution

The fourth proportional to 51,020.66, 70,407.60 and 28,359.24 is: 39,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,020.66 : 70,407.60 = 28,359.24 : x
  2. Step 2: Convert to fraction form
    51,020.66/70,407.60 = 28,359.24/x
  3. Step 3: Cross multiply
    51,020.66x = 70,407.60 × 28,359.24
  4. Step 4: Simplify right side
    51,020.66x = 1,996,706,026.22
  5. Step 5: Solve for x
    x = 1,996,706,026.22/51,020.66
  6. Step 6: Final answer
    x = 39,135.24

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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.