Home / 74,966.96-112,400.40-30,581.78

Finding the Fourth Proportional to 74,966.96, 112,400.40 and 30,581.78

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Solution

The fourth proportional to 74,966.96, 112,400.40 and 30,581.78 is: 45,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,966.96 : 112,400.40 = 30,581.78 : x
  2. Step 2: Convert to fraction form
    74,966.96/112,400.40 = 30,581.78/x
  3. Step 3: Cross multiply
    74,966.96x = 112,400.40 × 30,581.78
  4. Step 4: Simplify right side
    74,966.96x = 3,437,404,304.71
  5. Step 5: Solve for x
    x = 3,437,404,304.71/74,966.96
  6. Step 6: Final answer
    x = 45,852.26

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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.