Home / 42,155.24-63,232.14-12,573.16

Finding the Fourth Proportional to 42,155.24, 63,232.14 and 12,573.16

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Solution

The fourth proportional to 42,155.24, 63,232.14 and 12,573.16 is: 18,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,155.24 : 63,232.14 = 12,573.16 : x
  2. Step 2: Convert to fraction form
    42,155.24/63,232.14 = 12,573.16/x
  3. Step 3: Cross multiply
    42,155.24x = 63,232.14 × 12,573.16
  4. Step 4: Simplify right side
    42,155.24x = 795,027,813.36
  5. Step 5: Solve for x
    x = 795,027,813.36/42,155.24
  6. Step 6: Final answer
    x = 18,859.53

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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.