Home / 31,386.98-47,056.71-15,598.46

Finding the Fourth Proportional to 31,386.98, 47,056.71 and 15,598.46

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Solution

The fourth proportional to 31,386.98, 47,056.71 and 15,598.46 is: 23,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,386.98 : 47,056.71 = 15,598.46 : x
  2. Step 2: Convert to fraction form
    31,386.98/47,056.71 = 15,598.46/x
  3. Step 3: Cross multiply
    31,386.98x = 47,056.71 × 15,598.46
  4. Step 4: Simplify right side
    31,386.98x = 734,012,208.67
  5. Step 5: Solve for x
    x = 734,012,208.67/31,386.98
  6. Step 6: Final answer
    x = 23,385.88

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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.