Home / 42,923.52-64,384.74-11,758.50

Finding the Fourth Proportional to 42,923.52, 64,384.74 and 11,758.50

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Solution

The fourth proportional to 42,923.52, 64,384.74 and 11,758.50 is: 17,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,923.52 : 64,384.74 = 11,758.50 : x
  2. Step 2: Convert to fraction form
    42,923.52/64,384.74 = 11,758.50/x
  3. Step 3: Cross multiply
    42,923.52x = 64,384.74 × 11,758.50
  4. Step 4: Simplify right side
    42,923.52x = 757,067,965.29
  5. Step 5: Solve for x
    x = 757,067,965.29/42,923.52
  6. Step 6: Final answer
    x = 17,637.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.