Home / 40,124.04-55,373.16-22,221

Finding the Fourth Proportional to 40,124.04, 55,373.16 and 22,221

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Solution

The fourth proportional to 40,124.04, 55,373.16 and 22,221 is: 30,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124.04 : 55,373.16 = 22,221 : x
  2. Step 2: Convert to fraction form
    40,124.04/55,373.16 = 22,221/x
  3. Step 3: Cross multiply
    40,124.04x = 55,373.16 × 22,221
  4. Step 4: Simplify right side
    40,124.04x = 1,230,446,988.36
  5. Step 5: Solve for x
    x = 1,230,446,988.36/40,124.04
  6. Step 6: Final answer
    x = 30,666.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.