Home / 53,389.92-73,665.87-31,875.49

Finding the Fourth Proportional to 53,389.92, 73,665.87 and 31,875.49

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Solution

The fourth proportional to 53,389.92, 73,665.87 and 31,875.49 is: 43,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389.92 : 73,665.87 = 31,875.49 : x
  2. Step 2: Convert to fraction form
    53,389.92/73,665.87 = 31,875.49/x
  3. Step 3: Cross multiply
    53,389.92x = 73,665.87 × 31,875.49
  4. Step 4: Simplify right side
    53,389.92x = 2,348,135,702.53
  5. Step 5: Solve for x
    x = 2,348,135,702.53/53,389.92
  6. Step 6: Final answer
    x = 43,980.88

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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.