Home / 75,030.81-112,504.67-30,688.71

Finding the Fourth Proportional to 75,030.81, 112,504.67 and 30,688.71

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Solution

The fourth proportional to 75,030.81, 112,504.67 and 30,688.71 is: 46,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,030.81 : 112,504.67 = 30,688.71 : x
  2. Step 2: Convert to fraction form
    75,030.81/112,504.67 = 30,688.71/x
  3. Step 3: Cross multiply
    75,030.81x = 112,504.67 × 30,688.71
  4. Step 4: Simplify right side
    75,030.81x = 3,452,622,552.03
  5. Step 5: Solve for x
    x = 3,452,622,552.03/75,030.81
  6. Step 6: Final answer
    x = 46,016.06

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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.