Home / 42,766.12-64,133.23-14,678.21

Finding the Fourth Proportional to 42,766.12, 64,133.23 and 14,678.21

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Solution

The fourth proportional to 42,766.12, 64,133.23 and 14,678.21 is: 22,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.12 : 64,133.23 = 14,678.21 : x
  2. Step 2: Convert to fraction form
    42,766.12/64,133.23 = 14,678.21/x
  3. Step 3: Cross multiply
    42,766.12x = 64,133.23 × 14,678.21
  4. Step 4: Simplify right side
    42,766.12x = 941,361,017.92
  5. Step 5: Solve for x
    x = 941,361,017.92/42,766.12
  6. Step 6: Final answer
    x = 22,011.84

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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.