Home / 39,510.80-59,275.56-11,431.52

Finding the Fourth Proportional to 39,510.80, 59,275.56 and 11,431.52

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Solution

The fourth proportional to 39,510.80, 59,275.56 and 11,431.52 is: 17,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,510.80 : 59,275.56 = 11,431.52 : x
  2. Step 2: Convert to fraction form
    39,510.80/59,275.56 = 11,431.52/x
  3. Step 3: Cross multiply
    39,510.80x = 59,275.56 × 11,431.52
  4. Step 4: Simplify right side
    39,510.80x = 677,609,586.84
  5. Step 5: Solve for x
    x = 677,609,586.84/39,510.80
  6. Step 6: Final answer
    x = 17,149.98

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1.5x scale

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.