Home / 30,062.31-45,096.04-7,875.68

Finding the Fourth Proportional to 30,062.31, 45,096.04 and 7,875.68

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Solution

The fourth proportional to 30,062.31, 45,096.04 and 7,875.68 is: 11,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,062.31 : 45,096.04 = 7,875.68 : x
  2. Step 2: Convert to fraction form
    30,062.31/45,096.04 = 7,875.68/x
  3. Step 3: Cross multiply
    30,062.31x = 45,096.04 × 7,875.68
  4. Step 4: Simplify right side
    30,062.31x = 355,162,018.34
  5. Step 5: Solve for x
    x = 355,162,018.34/30,062.31
  6. Step 6: Final answer
    x = 11,814.20

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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.