Home / 61,288.65-84,586.20-34,431.15

Finding the Fourth Proportional to 61,288.65, 84,586.20 and 34,431.15

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Solution

The fourth proportional to 61,288.65, 84,586.20 and 34,431.15 is: 47,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,288.65 : 84,586.20 = 34,431.15 : x
  2. Step 2: Convert to fraction form
    61,288.65/84,586.20 = 34,431.15/x
  3. Step 3: Cross multiply
    61,288.65x = 84,586.20 × 34,431.15
  4. Step 4: Simplify right side
    61,288.65x = 2,912,400,140.13
  5. Step 5: Solve for x
    x = 2,912,400,140.13/61,288.65
  6. Step 6: Final answer
    x = 47,519.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.