Home / 42,704.28-64,056.42-21,641.04

Finding the Fourth Proportional to 42,704.28, 64,056.42 and 21,641.04

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Solution

The fourth proportional to 42,704.28, 64,056.42 and 21,641.04 is: 32,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704.28 : 64,056.42 = 21,641.04 : x
  2. Step 2: Convert to fraction form
    42,704.28/64,056.42 = 21,641.04/x
  3. Step 3: Cross multiply
    42,704.28x = 64,056.42 × 21,641.04
  4. Step 4: Simplify right side
    42,704.28x = 1,386,247,547.48
  5. Step 5: Solve for x
    x = 1,386,247,547.48/42,704.28
  6. Step 6: Final answer
    x = 32,461.56

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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.