Home / 42,320.35-63,479.93-10,299.54

Finding the Fourth Proportional to 42,320.35, 63,479.93 and 10,299.54

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Solution

The fourth proportional to 42,320.35, 63,479.93 and 10,299.54 is: 15,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,320.35 : 63,479.93 = 10,299.54 : x
  2. Step 2: Convert to fraction form
    42,320.35/63,479.93 = 10,299.54/x
  3. Step 3: Cross multiply
    42,320.35x = 63,479.93 × 10,299.54
  4. Step 4: Simplify right side
    42,320.35x = 653,814,078.23
  5. Step 5: Solve for x
    x = 653,814,078.23/42,320.35
  6. Step 6: Final answer
    x = 15,449.17

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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.