Home / 42,921.36-64,360.08-19,527.84

Finding the Fourth Proportional to 42,921.36, 64,360.08 and 19,527.84

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Solution

The fourth proportional to 42,921.36, 64,360.08 and 19,527.84 is: 29,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921.36 : 64,360.08 = 19,527.84 : x
  2. Step 2: Convert to fraction form
    42,921.36/64,360.08 = 19,527.84/x
  3. Step 3: Cross multiply
    42,921.36x = 64,360.08 × 19,527.84
  4. Step 4: Simplify right side
    42,921.36x = 1,256,813,344.63
  5. Step 5: Solve for x
    x = 1,256,813,344.63/42,921.36
  6. Step 6: Final answer
    x = 29,281.77

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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.