Home / 39,062.34-53,905.77-21,156.93

Finding the Fourth Proportional to 39,062.34, 53,905.77 and 21,156.93

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Solution

The fourth proportional to 39,062.34, 53,905.77 and 21,156.93 is: 29,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,062.34 : 53,905.77 = 21,156.93 : x
  2. Step 2: Convert to fraction form
    39,062.34/53,905.77 = 21,156.93/x
  3. Step 3: Cross multiply
    39,062.34x = 53,905.77 × 21,156.93
  4. Step 4: Simplify right side
    39,062.34x = 1,140,480,602.49
  5. Step 5: Solve for x
    x = 1,140,480,602.49/39,062.34
  6. Step 6: Final answer
    x = 29,196.42

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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.