Home / 42,439.37-63,657.90-14,359.23

Finding the Fourth Proportional to 42,439.37, 63,657.90 and 14,359.23

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Solution

The fourth proportional to 42,439.37, 63,657.90 and 14,359.23 is: 21,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,439.37 : 63,657.90 = 14,359.23 : x
  2. Step 2: Convert to fraction form
    42,439.37/63,657.90 = 14,359.23/x
  3. Step 3: Cross multiply
    42,439.37x = 63,657.90 × 14,359.23
  4. Step 4: Simplify right side
    42,439.37x = 914,078,427.42
  5. Step 5: Solve for x
    x = 914,078,427.42/42,439.37
  6. Step 6: Final answer
    x = 21,538.46

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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.