Home / 39,122.86-53,988.08-23,197.78

Finding the Fourth Proportional to 39,122.86, 53,988.08 and 23,197.78

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Solution

The fourth proportional to 39,122.86, 53,988.08 and 23,197.78 is: 32,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,122.86 : 53,988.08 = 23,197.78 : x
  2. Step 2: Convert to fraction form
    39,122.86/53,988.08 = 23,197.78/x
  3. Step 3: Cross multiply
    39,122.86x = 53,988.08 × 23,197.78
  4. Step 4: Simplify right side
    39,122.86x = 1,252,403,602.46
  5. Step 5: Solve for x
    x = 1,252,403,602.46/39,122.86
  6. Step 6: Final answer
    x = 32,012.07

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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.