Home / 42,118.36-63,175.57-10,528.63

Finding the Fourth Proportional to 42,118.36, 63,175.57 and 10,528.63

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Solution

The fourth proportional to 42,118.36, 63,175.57 and 10,528.63 is: 15,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,118.36 : 63,175.57 = 10,528.63 : x
  2. Step 2: Convert to fraction form
    42,118.36/63,175.57 = 10,528.63/x
  3. Step 3: Cross multiply
    42,118.36x = 63,175.57 × 10,528.63
  4. Step 4: Simplify right side
    42,118.36x = 665,152,201.57
  5. Step 5: Solve for x
    x = 665,152,201.57/42,118.36
  6. Step 6: Final answer
    x = 15,792.45

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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.