Home / 42,359.66-63,521.02-14,274.48

Finding the Fourth Proportional to 42,359.66, 63,521.02 and 14,274.48

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Solution

The fourth proportional to 42,359.66, 63,521.02 and 14,274.48 is: 21,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,359.66 : 63,521.02 = 14,274.48 : x
  2. Step 2: Convert to fraction form
    42,359.66/63,521.02 = 14,274.48/x
  3. Step 3: Cross multiply
    42,359.66x = 63,521.02 × 14,274.48
  4. Step 4: Simplify right side
    42,359.66x = 906,729,247.65
  5. Step 5: Solve for x
    x = 906,729,247.65/42,359.66
  6. Step 6: Final answer
    x = 21,405.49

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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.