Home / 39,589.18-59,387.65-11,509.45

Finding the Fourth Proportional to 39,589.18, 59,387.65 and 11,509.45

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Solution

The fourth proportional to 39,589.18, 59,387.65 and 11,509.45 is: 17,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.18 : 59,387.65 = 11,509.45 : x
  2. Step 2: Convert to fraction form
    39,589.18/59,387.65 = 11,509.45/x
  3. Step 3: Cross multiply
    39,589.18x = 59,387.65 × 11,509.45
  4. Step 4: Simplify right side
    39,589.18x = 683,519,011.05
  5. Step 5: Solve for x
    x = 683,519,011.05/39,589.18
  6. Step 6: Final answer
    x = 17,265.30

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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.