Home / 35,712.61-49,280.09-19,795.71

Finding the Fourth Proportional to 35,712.61, 49,280.09 and 19,795.71

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Solution

The fourth proportional to 35,712.61, 49,280.09 and 19,795.71 is: 27,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712.61 : 49,280.09 = 19,795.71 : x
  2. Step 2: Convert to fraction form
    35,712.61/49,280.09 = 19,795.71/x
  3. Step 3: Cross multiply
    35,712.61x = 49,280.09 × 19,795.71
  4. Step 4: Simplify right side
    35,712.61x = 975,534,160.87
  5. Step 5: Solve for x
    x = 975,534,160.87/35,712.61
  6. Step 6: Final answer
    x = 27,316.24

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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.