Home / 31,598.31-47,368.17-11,889.93

Finding the Fourth Proportional to 31,598.31, 47,368.17 and 11,889.93

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Solution

The fourth proportional to 31,598.31, 47,368.17 and 11,889.93 is: 17,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,598.31 : 47,368.17 = 11,889.93 : x
  2. Step 2: Convert to fraction form
    31,598.31/47,368.17 = 11,889.93/x
  3. Step 3: Cross multiply
    31,598.31x = 47,368.17 × 11,889.93
  4. Step 4: Simplify right side
    31,598.31x = 563,204,225.53
  5. Step 5: Solve for x
    x = 563,204,225.53/31,598.31
  6. Step 6: Final answer
    x = 17,823.87

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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.