Home / 53,901.54-74,382.57-31,240.98

Finding the Fourth Proportional to 53,901.54, 74,382.57 and 31,240.98

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Solution

The fourth proportional to 53,901.54, 74,382.57 and 31,240.98 is: 43,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901.54 : 74,382.57 = 31,240.98 : x
  2. Step 2: Convert to fraction form
    53,901.54/74,382.57 = 31,240.98/x
  3. Step 3: Cross multiply
    53,901.54x = 74,382.57 × 31,240.98
  4. Step 4: Simplify right side
    53,901.54x = 2,323,784,381.72
  5. Step 5: Solve for x
    x = 2,323,784,381.72/53,901.54
  6. Step 6: Final answer
    x = 43,111.65

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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.