Home / 74,947.77-103,424.79-40,957.41

Finding the Fourth Proportional to 74,947.77, 103,424.79 and 40,957.41

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Solution

The fourth proportional to 74,947.77, 103,424.79 and 40,957.41 is: 56,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,947.77 : 103,424.79 = 40,957.41 : x
  2. Step 2: Convert to fraction form
    74,947.77/103,424.79 = 40,957.41/x
  3. Step 3: Cross multiply
    74,947.77x = 103,424.79 × 40,957.41
  4. Step 4: Simplify right side
    74,947.77x = 4,236,011,528.19
  5. Step 5: Solve for x
    x = 4,236,011,528.19/74,947.77
  6. Step 6: Final answer
    x = 56,519.51

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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.