Home / 42,303.06-63,445.68-12,712.14

Finding the Fourth Proportional to 42,303.06, 63,445.68 and 12,712.14

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Solution

The fourth proportional to 42,303.06, 63,445.68 and 12,712.14 is: 19,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303.06 : 63,445.68 = 12,712.14 : x
  2. Step 2: Convert to fraction form
    42,303.06/63,445.68 = 12,712.14/x
  3. Step 3: Cross multiply
    42,303.06x = 63,445.68 × 12,712.14
  4. Step 4: Simplify right side
    42,303.06x = 806,530,366.56
  5. Step 5: Solve for x
    x = 806,530,366.56/42,303.06
  6. Step 6: Final answer
    x = 19,065.53

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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.