Home / 42,505.02-63,757.80-12,922.74

Finding the Fourth Proportional to 42,505.02, 63,757.80 and 12,922.74

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Solution

The fourth proportional to 42,505.02, 63,757.80 and 12,922.74 is: 19,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,505.02 : 63,757.80 = 12,922.74 : x
  2. Step 2: Convert to fraction form
    42,505.02/63,757.80 = 12,922.74/x
  3. Step 3: Cross multiply
    42,505.02x = 63,757.80 × 12,922.74
  4. Step 4: Simplify right side
    42,505.02x = 823,925,472.37
  5. Step 5: Solve for x
    x = 823,925,472.37/42,505.02
  6. Step 6: Final answer
    x = 19,384.19

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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.