Home / 53,001.42-73,141.71-30,340.28

Finding the Fourth Proportional to 53,001.42, 73,141.71 and 30,340.28

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Solution

The fourth proportional to 53,001.42, 73,141.71 and 30,340.28 is: 41,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.42 : 73,141.71 = 30,340.28 : x
  2. Step 2: Convert to fraction form
    53,001.42/73,141.71 = 30,340.28/x
  3. Step 3: Cross multiply
    53,001.42x = 73,141.71 × 30,340.28
  4. Step 4: Simplify right side
    53,001.42x = 2,219,139,961.08
  5. Step 5: Solve for x
    x = 2,219,139,961.08/53,001.42
  6. Step 6: Final answer
    x = 41,869.44

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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.