Home / 42,871.68-64,307.52-17,898.10

Finding the Fourth Proportional to 42,871.68, 64,307.52 and 17,898.10

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Solution

The fourth proportional to 42,871.68, 64,307.52 and 17,898.10 is: 26,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,871.68 : 64,307.52 = 17,898.10 : x
  2. Step 2: Convert to fraction form
    42,871.68/64,307.52 = 17,898.10/x
  3. Step 3: Cross multiply
    42,871.68x = 64,307.52 × 17,898.10
  4. Step 4: Simplify right side
    42,871.68x = 1,150,982,423.71
  5. Step 5: Solve for x
    x = 1,150,982,423.71/42,871.68
  6. Step 6: Final answer
    x = 26,847.15

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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.