Home / 42,330.79-63,497.49-12,748.84

Finding the Fourth Proportional to 42,330.79, 63,497.49 and 12,748.84

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Solution

The fourth proportional to 42,330.79, 63,497.49 and 12,748.84 is: 19,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,330.79 : 63,497.49 = 12,748.84 : x
  2. Step 2: Convert to fraction form
    42,330.79/63,497.49 = 12,748.84/x
  3. Step 3: Cross multiply
    42,330.79x = 63,497.49 × 12,748.84
  4. Step 4: Simplify right side
    42,330.79x = 809,519,340.41
  5. Step 5: Solve for x
    x = 809,519,340.41/42,330.79
  6. Step 6: Final answer
    x = 19,123.65

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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.