Home / 43,015.45-64,521.40-14,941.86

Finding the Fourth Proportional to 43,015.45, 64,521.40 and 14,941.86

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Solution

The fourth proportional to 43,015.45, 64,521.40 and 14,941.86 is: 22,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,015.45 : 64,521.40 = 14,941.86 : x
  2. Step 2: Convert to fraction form
    43,015.45/64,521.40 = 14,941.86/x
  3. Step 3: Cross multiply
    43,015.45x = 64,521.40 × 14,941.86
  4. Step 4: Simplify right side
    43,015.45x = 964,069,725.80
  5. Step 5: Solve for x
    x = 964,069,725.80/43,015.45
  6. Step 6: Final answer
    x = 22,412.17

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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.