Home / 42,923.99-64,374.28-17,960.00

Finding the Fourth Proportional to 42,923.99, 64,374.28 and 17,960.00

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Solution

The fourth proportional to 42,923.99, 64,374.28 and 17,960.00 is: 26,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,923.99 : 64,374.28 = 17,960.00 : x
  2. Step 2: Convert to fraction form
    42,923.99/64,374.28 = 17,960.00/x
  3. Step 3: Cross multiply
    42,923.99x = 64,374.28 × 17,960.00
  4. Step 4: Simplify right side
    42,923.99x = 1,156,161,702.03
  5. Step 5: Solve for x
    x = 1,156,161,702.03/42,923.99
  6. Step 6: Final answer
    x = 26,935.09

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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.