Home / 51,254.08-70,730.64-28,898.08

Finding the Fourth Proportional to 51,254.08, 70,730.64 and 28,898.08

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Solution

The fourth proportional to 51,254.08, 70,730.64 and 28,898.08 is: 39,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,254.08 : 70,730.64 = 28,898.08 : x
  2. Step 2: Convert to fraction form
    51,254.08/70,730.64 = 28,898.08/x
  3. Step 3: Cross multiply
    51,254.08x = 70,730.64 × 28,898.08
  4. Step 4: Simplify right side
    51,254.08x = 2,043,979,693.17
  5. Step 5: Solve for x
    x = 2,043,979,693.17/51,254.08
  6. Step 6: Final answer
    x = 39,879.36

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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.