Home / 51,055.12-70,445.66-29,830.28

Finding the Fourth Proportional to 51,055.12, 70,445.66 and 29,830.28

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Solution

The fourth proportional to 51,055.12, 70,445.66 and 29,830.28 is: 41,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,055.12 : 70,445.66 = 29,830.28 : x
  2. Step 2: Convert to fraction form
    51,055.12/70,445.66 = 29,830.28/x
  3. Step 3: Cross multiply
    51,055.12x = 70,445.66 × 29,830.28
  4. Step 4: Simplify right side
    51,055.12x = 2,101,413,789.55
  5. Step 5: Solve for x
    x = 2,101,413,789.55/51,055.12
  6. Step 6: Final answer
    x = 41,159.71

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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.