Home / 42,906.36-64,334.58-17,938.84

Finding the Fourth Proportional to 42,906.36, 64,334.58 and 17,938.84

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Solution

The fourth proportional to 42,906.36, 64,334.58 and 17,938.84 is: 26,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,906.36 : 64,334.58 = 17,938.84 : x
  2. Step 2: Convert to fraction form
    42,906.36/64,334.58 = 17,938.84/x
  3. Step 3: Cross multiply
    42,906.36x = 64,334.58 × 17,938.84
  4. Step 4: Simplify right side
    42,906.36x = 1,154,087,737.09
  5. Step 5: Solve for x
    x = 1,154,087,737.09/42,906.36
  6. Step 6: Final answer
    x = 26,897.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.