Home / 64,923.12-89,616.24-38,074.32

Finding the Fourth Proportional to 64,923.12, 89,616.24 and 38,074.32

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Solution

The fourth proportional to 64,923.12, 89,616.24 and 38,074.32 is: 52,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,923.12 : 89,616.24 = 38,074.32 : x
  2. Step 2: Convert to fraction form
    64,923.12/89,616.24 = 38,074.32/x
  3. Step 3: Cross multiply
    64,923.12x = 89,616.24 × 38,074.32
  4. Step 4: Simplify right side
    64,923.12x = 3,412,077,398.96
  5. Step 5: Solve for x
    x = 3,412,077,398.96/64,923.12
  6. Step 6: Final answer
    x = 52,555.66

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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.