Home / 40,421.48-55,783.35-22,516.49

Finding the Fourth Proportional to 40,421.48, 55,783.35 and 22,516.49

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Solution

The fourth proportional to 40,421.48, 55,783.35 and 22,516.49 is: 31,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.48 : 55,783.35 = 22,516.49 : x
  2. Step 2: Convert to fraction form
    40,421.48/55,783.35 = 22,516.49/x
  3. Step 3: Cross multiply
    40,421.48x = 55,783.35 × 22,516.49
  4. Step 4: Simplify right side
    40,421.48x = 1,256,044,963.52
  5. Step 5: Solve for x
    x = 1,256,044,963.52/40,421.48
  6. Step 6: Final answer
    x = 31,073.70

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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.