Home / 51,237.13-70,707.09-28,576.15

Finding the Fourth Proportional to 51,237.13, 70,707.09 and 28,576.15

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Solution

The fourth proportional to 51,237.13, 70,707.09 and 28,576.15 is: 39,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,237.13 : 70,707.09 = 28,576.15 : x
  2. Step 2: Convert to fraction form
    51,237.13/70,707.09 = 28,576.15/x
  3. Step 3: Cross multiply
    51,237.13x = 70,707.09 × 28,576.15
  4. Step 4: Simplify right side
    51,237.13x = 2,020,536,409.90
  5. Step 5: Solve for x
    x = 2,020,536,409.90/51,237.13
  6. Step 6: Final answer
    x = 39,435.00

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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.