Home / 42,718.88-64,089.84-38,606.24

Finding the Fourth Proportional to 42,718.88, 64,089.84 and 38,606.24

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Solution

The fourth proportional to 42,718.88, 64,089.84 and 38,606.24 is: 57,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,718.88 : 64,089.84 = 38,606.24 : x
  2. Step 2: Convert to fraction form
    42,718.88/64,089.84 = 38,606.24/x
  3. Step 3: Cross multiply
    42,718.88x = 64,089.84 × 38,606.24
  4. Step 4: Simplify right side
    42,718.88x = 2,474,267,744.60
  5. Step 5: Solve for x
    x = 2,474,267,744.60/42,718.88
  6. Step 6: Final answer
    x = 57,919.77

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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.