Home / 42,412.97-63,621.64-10,823.31

Finding the Fourth Proportional to 42,412.97, 63,621.64 and 10,823.31

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Solution

The fourth proportional to 42,412.97, 63,621.64 and 10,823.31 is: 16,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,412.97 : 63,621.64 = 10,823.31 : x
  2. Step 2: Convert to fraction form
    42,412.97/63,621.64 = 10,823.31/x
  3. Step 3: Cross multiply
    42,412.97x = 63,621.64 × 10,823.31
  4. Step 4: Simplify right side
    42,412.97x = 688,596,732.43
  5. Step 5: Solve for x
    x = 688,596,732.43/42,412.97
  6. Step 6: Final answer
    x = 16,235.52

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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.