Home / 65,247.28-97,872.95-31,045.56

Finding the Fourth Proportional to 65,247.28, 97,872.95 and 31,045.56

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Solution

The fourth proportional to 65,247.28, 97,872.95 and 31,045.56 is: 46,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,247.28 : 97,872.95 = 31,045.56 : x
  2. Step 2: Convert to fraction form
    65,247.28/97,872.95 = 31,045.56/x
  3. Step 3: Cross multiply
    65,247.28x = 97,872.95 × 31,045.56
  4. Step 4: Simplify right side
    65,247.28x = 3,038,520,386.37
  5. Step 5: Solve for x
    x = 3,038,520,386.37/65,247.28
  6. Step 6: Final answer
    x = 46,569.31

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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.