Home / 42,894.36-64,341.54-13,304.25

Finding the Fourth Proportional to 42,894.36, 64,341.54 and 13,304.25

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Solution

The fourth proportional to 42,894.36, 64,341.54 and 13,304.25 is: 19,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,894.36 : 64,341.54 = 13,304.25 : x
  2. Step 2: Convert to fraction form
    42,894.36/64,341.54 = 13,304.25/x
  3. Step 3: Cross multiply
    42,894.36x = 64,341.54 × 13,304.25
  4. Step 4: Simplify right side
    42,894.36x = 856,015,933.55
  5. Step 5: Solve for x
    x = 856,015,933.55/42,894.36
  6. Step 6: Final answer
    x = 19,956.38

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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.