Home / 42,135.08-63,202.61-10,970.33

Finding the Fourth Proportional to 42,135.08, 63,202.61 and 10,970.33

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Solution

The fourth proportional to 42,135.08, 63,202.61 and 10,970.33 is: 16,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.08 : 63,202.61 = 10,970.33 : x
  2. Step 2: Convert to fraction form
    42,135.08/63,202.61 = 10,970.33/x
  3. Step 3: Cross multiply
    42,135.08x = 63,202.61 × 10,970.33
  4. Step 4: Simplify right side
    42,135.08x = 693,353,199.97
  5. Step 5: Solve for x
    x = 693,353,199.97/42,135.08
  6. Step 6: Final answer
    x = 16,455.49

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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.