Home / 53,838.48-74,299.55-31,178.46

Finding the Fourth Proportional to 53,838.48, 74,299.55 and 31,178.46

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Solution

The fourth proportional to 53,838.48, 74,299.55 and 31,178.46 is: 43,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,838.48 : 74,299.55 = 31,178.46 : x
  2. Step 2: Convert to fraction form
    53,838.48/74,299.55 = 31,178.46/x
  3. Step 3: Cross multiply
    53,838.48x = 74,299.55 × 31,178.46
  4. Step 4: Simplify right side
    53,838.48x = 2,316,545,547.69
  5. Step 5: Solve for x
    x = 2,316,545,547.69/53,838.48
  6. Step 6: Final answer
    x = 43,027.69

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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.