Home / 42,529.59-63,803.61-12,946.66

Finding the Fourth Proportional to 42,529.59, 63,803.61 and 12,946.66

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Solution

The fourth proportional to 42,529.59, 63,803.61 and 12,946.66 is: 19,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,529.59 : 63,803.61 = 12,946.66 : x
  2. Step 2: Convert to fraction form
    42,529.59/63,803.61 = 12,946.66/x
  3. Step 3: Cross multiply
    42,529.59x = 63,803.61 × 12,946.66
  4. Step 4: Simplify right side
    42,529.59x = 826,043,485.93
  5. Step 5: Solve for x
    x = 826,043,485.93/42,529.59
  6. Step 6: Final answer
    x = 19,422.79

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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.