Home / 53,213.52-73,431.45-30,547.56

Finding the Fourth Proportional to 53,213.52, 73,431.45 and 30,547.56

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Solution

The fourth proportional to 53,213.52, 73,431.45 and 30,547.56 is: 42,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.52 : 73,431.45 = 30,547.56 : x
  2. Step 2: Convert to fraction form
    53,213.52/73,431.45 = 30,547.56/x
  3. Step 3: Cross multiply
    53,213.52x = 73,431.45 × 30,547.56
  4. Step 4: Simplify right side
    53,213.52x = 2,243,151,624.76
  5. Step 5: Solve for x
    x = 2,243,151,624.76/53,213.52
  6. Step 6: Final answer
    x = 42,153.79

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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.