Home / 42,674.16-64,020.72-16,378.92

Finding the Fourth Proportional to 42,674.16, 64,020.72 and 16,378.92

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Solution

The fourth proportional to 42,674.16, 64,020.72 and 16,378.92 is: 24,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,674.16 : 64,020.72 = 16,378.92 : x
  2. Step 2: Convert to fraction form
    42,674.16/64,020.72 = 16,378.92/x
  3. Step 3: Cross multiply
    42,674.16x = 64,020.72 × 16,378.92
  4. Step 4: Simplify right side
    42,674.16x = 1,048,590,251.22
  5. Step 5: Solve for x
    x = 1,048,590,251.22/42,674.16
  6. Step 6: Final answer
    x = 24,572.02

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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.