Home / 42,119.37-63,178.80-10,529.28

Finding the Fourth Proportional to 42,119.37, 63,178.80 and 10,529.28

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Solution

The fourth proportional to 42,119.37, 63,178.80 and 10,529.28 is: 15,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,119.37 : 63,178.80 = 10,529.28 : x
  2. Step 2: Convert to fraction form
    42,119.37/63,178.80 = 10,529.28/x
  3. Step 3: Cross multiply
    42,119.37x = 63,178.80 × 10,529.28
  4. Step 4: Simplify right side
    42,119.37x = 665,227,275.26
  5. Step 5: Solve for x
    x = 665,227,275.26/42,119.37
  6. Step 6: Final answer
    x = 15,793.86

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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.