Home / 39,721.83-59,582.67-10,139.65

Finding the Fourth Proportional to 39,721.83, 59,582.67 and 10,139.65

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Solution

The fourth proportional to 39,721.83, 59,582.67 and 10,139.65 is: 15,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.83 : 59,582.67 = 10,139.65 : x
  2. Step 2: Convert to fraction form
    39,721.83/59,582.67 = 10,139.65/x
  3. Step 3: Cross multiply
    39,721.83x = 59,582.67 × 10,139.65
  4. Step 4: Simplify right side
    39,721.83x = 604,147,419.87
  5. Step 5: Solve for x
    x = 604,147,419.87/39,721.83
  6. Step 6: Final answer
    x = 15,209.46

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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.