Home / 51,345.54-70,854.30-28,680.02

Finding the Fourth Proportional to 51,345.54, 70,854.30 and 28,680.02

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Solution

The fourth proportional to 51,345.54, 70,854.30 and 28,680.02 is: 39,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.54 : 70,854.30 = 28,680.02 : x
  2. Step 2: Convert to fraction form
    51,345.54/70,854.30 = 28,680.02/x
  3. Step 3: Cross multiply
    51,345.54x = 70,854.30 × 28,680.02
  4. Step 4: Simplify right side
    51,345.54x = 2,032,102,741.09
  5. Step 5: Solve for x
    x = 2,032,102,741.09/51,345.54
  6. Step 6: Final answer
    x = 39,577.01

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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.