Home / 53,914.18-74,402.27-30,947.71

Finding the Fourth Proportional to 53,914.18, 74,402.27 and 30,947.71

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Solution

The fourth proportional to 53,914.18, 74,402.27 and 30,947.71 is: 42,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,914.18 : 74,402.27 = 30,947.71 : x
  2. Step 2: Convert to fraction form
    53,914.18/74,402.27 = 30,947.71/x
  3. Step 3: Cross multiply
    53,914.18x = 74,402.27 × 30,947.71
  4. Step 4: Simplify right side
    53,914.18x = 2,302,579,875.30
  5. Step 5: Solve for x
    x = 2,302,579,875.30/53,914.18
  6. Step 6: Final answer
    x = 42,708.24

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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.