Home / 39,435.74-59,163.02-13,140.71

Finding the Fourth Proportional to 39,435.74, 59,163.02 and 13,140.71

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Solution

The fourth proportional to 39,435.74, 59,163.02 and 13,140.71 is: 19,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.74 : 59,163.02 = 13,140.71 : x
  2. Step 2: Convert to fraction form
    39,435.74/59,163.02 = 13,140.71/x
  3. Step 3: Cross multiply
    39,435.74x = 59,163.02 × 13,140.71
  4. Step 4: Simplify right side
    39,435.74x = 777,444,088.54
  5. Step 5: Solve for x
    x = 777,444,088.54/39,435.74
  6. Step 6: Final answer
    x = 19,714.20

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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.