Home / 39,777.77-59,665.59-9,792.28

Finding the Fourth Proportional to 39,777.77, 59,665.59 and 9,792.28

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Solution

The fourth proportional to 39,777.77, 59,665.59 and 9,792.28 is: 14,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,777.77 : 59,665.59 = 9,792.28 : x
  2. Step 2: Convert to fraction form
    39,777.77/59,665.59 = 9,792.28/x
  3. Step 3: Cross multiply
    39,777.77x = 59,665.59 × 9,792.28
  4. Step 4: Simplify right side
    39,777.77x = 584,262,163.65
  5. Step 5: Solve for x
    x = 584,262,163.65/39,777.77
  6. Step 6: Final answer
    x = 14,688.16

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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.