Home / 42,649.36-63,973.50-19,259.44

Finding the Fourth Proportional to 42,649.36, 63,973.50 and 19,259.44

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Solution

The fourth proportional to 42,649.36, 63,973.50 and 19,259.44 is: 28,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,649.36 : 63,973.50 = 19,259.44 : x
  2. Step 2: Convert to fraction form
    42,649.36/63,973.50 = 19,259.44/x
  3. Step 3: Cross multiply
    42,649.36x = 63,973.50 × 19,259.44
  4. Step 4: Simplify right side
    42,649.36x = 1,232,093,784.84
  5. Step 5: Solve for x
    x = 1,232,093,784.84/42,649.36
  6. Step 6: Final answer
    x = 28,888.92

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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.