Home / 42,021.73-57,988.51-22,901.11

Finding the Fourth Proportional to 42,021.73, 57,988.51 and 22,901.11

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Solution

The fourth proportional to 42,021.73, 57,988.51 and 22,901.11 is: 31,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,021.73 : 57,988.51 = 22,901.11 : x
  2. Step 2: Convert to fraction form
    42,021.73/57,988.51 = 22,901.11/x
  3. Step 3: Cross multiply
    42,021.73x = 57,988.51 × 22,901.11
  4. Step 4: Simplify right side
    42,021.73x = 1,328,001,347.36
  5. Step 5: Solve for x
    x = 1,328,001,347.36/42,021.73
  6. Step 6: Final answer
    x = 31,602.73

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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.