Home / 51,252.38-76,888.95-21,670.17

Finding the Fourth Proportional to 51,252.38, 76,888.95 and 21,670.17

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Solution

The fourth proportional to 51,252.38, 76,888.95 and 21,670.17 is: 32,509.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,252.38 : 76,888.95 = 21,670.17 : x
  2. Step 2: Convert to fraction form
    51,252.38/76,888.95 = 21,670.17/x
  3. Step 3: Cross multiply
    51,252.38x = 76,888.95 × 21,670.17
  4. Step 4: Simplify right side
    51,252.38x = 1,666,196,248.02
  5. Step 5: Solve for x
    x = 1,666,196,248.02/51,252.38
  6. Step 6: Final answer
    x = 32,509.64

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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.