Home / 42,687.75-64,031.58-23,724.45

Finding the Fourth Proportional to 42,687.75, 64,031.58 and 23,724.45

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Solution

The fourth proportional to 42,687.75, 64,031.58 and 23,724.45 is: 35,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,687.75 : 64,031.58 = 23,724.45 : x
  2. Step 2: Convert to fraction form
    42,687.75/64,031.58 = 23,724.45/x
  3. Step 3: Cross multiply
    42,687.75x = 64,031.58 × 23,724.45
  4. Step 4: Simplify right side
    42,687.75x = 1,519,114,018.13
  5. Step 5: Solve for x
    x = 1,519,114,018.13/42,687.75
  6. Step 6: Final answer
    x = 35,586.65

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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.