Home / 64,112.40-96,133.32-19,726.80

Finding the Fourth Proportional to 64,112.40, 96,133.32 and 19,726.80

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Solution

The fourth proportional to 64,112.40, 96,133.32 and 19,726.80 is: 29,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,112.40 : 96,133.32 = 19,726.80 : x
  2. Step 2: Convert to fraction form
    64,112.40/96,133.32 = 19,726.80/x
  3. Step 3: Cross multiply
    64,112.40x = 96,133.32 × 19,726.80
  4. Step 4: Simplify right side
    64,112.40x = 1,896,402,776.98
  5. Step 5: Solve for x
    x = 1,896,402,776.98/64,112.40
  6. Step 6: Final answer
    x = 29,579.34

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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.