Home / 64,026.80-96,019.44-21,320.84

Finding the Fourth Proportional to 64,026.80, 96,019.44 and 21,320.84

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Solution

The fourth proportional to 64,026.80, 96,019.44 and 21,320.84 is: 31,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,026.80 : 96,019.44 = 21,320.84 : x
  2. Step 2: Convert to fraction form
    64,026.80/96,019.44 = 21,320.84/x
  3. Step 3: Cross multiply
    64,026.80x = 96,019.44 × 21,320.84
  4. Step 4: Simplify right side
    64,026.80x = 2,047,215,117.13
  5. Step 5: Solve for x
    x = 2,047,215,117.13/64,026.80
  6. Step 6: Final answer
    x = 31,974.35

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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.