Home / 42,011.81-62,995.84-12,425.65

Finding the Fourth Proportional to 42,011.81, 62,995.84 and 12,425.65

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Solution

The fourth proportional to 42,011.81, 62,995.84 and 12,425.65 is: 18,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011.81 : 62,995.84 = 12,425.65 : x
  2. Step 2: Convert to fraction form
    42,011.81/62,995.84 = 12,425.65/x
  3. Step 3: Cross multiply
    42,011.81x = 62,995.84 × 12,425.65
  4. Step 4: Simplify right side
    42,011.81x = 782,764,070.74
  5. Step 5: Solve for x
    x = 782,764,070.74/42,011.81
  6. Step 6: Final answer
    x = 18,632.00

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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.