Home / 53,887.48-74,364.70-31,239.63

Finding the Fourth Proportional to 53,887.48, 74,364.70 and 31,239.63

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Solution

The fourth proportional to 53,887.48, 74,364.70 and 31,239.63 is: 43,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,887.48 : 74,364.70 = 31,239.63 : x
  2. Step 2: Convert to fraction form
    53,887.48/74,364.70 = 31,239.63/x
  3. Step 3: Cross multiply
    53,887.48x = 74,364.70 × 31,239.63
  4. Step 4: Simplify right side
    53,887.48x = 2,323,125,713.06
  5. Step 5: Solve for x
    x = 2,323,125,713.06/53,887.48
  6. Step 6: Final answer
    x = 43,110.68

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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.