Home / 42,336.30-63,503.82-10,315.74

Finding the Fourth Proportional to 42,336.30, 63,503.82 and 10,315.74

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Solution

The fourth proportional to 42,336.30, 63,503.82 and 10,315.74 is: 15,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336.30 : 63,503.82 = 10,315.74 : x
  2. Step 2: Convert to fraction form
    42,336.30/63,503.82 = 10,315.74/x
  3. Step 3: Cross multiply
    42,336.30x = 63,503.82 × 10,315.74
  4. Step 4: Simplify right side
    42,336.30x = 655,088,896.13
  5. Step 5: Solve for x
    x = 655,088,896.13/42,336.30
  6. Step 6: Final answer
    x = 15,473.46

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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.