Home / 42,028.77-63,041.34-10,438.11

Finding the Fourth Proportional to 42,028.77, 63,041.34 and 10,438.11

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Solution

The fourth proportional to 42,028.77, 63,041.34 and 10,438.11 is: 15,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028.77 : 63,041.34 = 10,438.11 : x
  2. Step 2: Convert to fraction form
    42,028.77/63,041.34 = 10,438.11/x
  3. Step 3: Cross multiply
    42,028.77x = 63,041.34 × 10,438.11
  4. Step 4: Simplify right side
    42,028.77x = 658,032,441.47
  5. Step 5: Solve for x
    x = 658,032,441.47/42,028.77
  6. Step 6: Final answer
    x = 15,656.71

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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.