Home / 42,646.70-63,969.45-19,273.10

Finding the Fourth Proportional to 42,646.70, 63,969.45 and 19,273.10

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Solution

The fourth proportional to 42,646.70, 63,969.45 and 19,273.10 is: 28,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646.70 : 63,969.45 = 19,273.10 : x
  2. Step 2: Convert to fraction form
    42,646.70/63,969.45 = 19,273.10/x
  3. Step 3: Cross multiply
    42,646.70x = 63,969.45 × 19,273.10
  4. Step 4: Simplify right side
    42,646.70x = 1,232,889,606.80
  5. Step 5: Solve for x
    x = 1,232,889,606.80/42,646.70
  6. Step 6: Final answer
    x = 28,909.38

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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.