Home / 48,488.34-72,732.53-13,428

Finding the Fourth Proportional to 48,488.34, 72,732.53 and 13,428

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Solution

The fourth proportional to 48,488.34, 72,732.53 and 13,428 is: 20,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,488.34 : 72,732.53 = 13,428 : x
  2. Step 2: Convert to fraction form
    48,488.34/72,732.53 = 13,428/x
  3. Step 3: Cross multiply
    48,488.34x = 72,732.53 × 13,428
  4. Step 4: Simplify right side
    48,488.34x = 976,652,345.70
  5. Step 5: Solve for x
    x = 976,652,345.70/48,488.34
  6. Step 6: Final answer
    x = 20,142.00

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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.