Home / 30,576.10-45,864.15-26,688.10

Finding the Fourth Proportional to 30,576.10, 45,864.15 and 26,688.10

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Solution

The fourth proportional to 30,576.10, 45,864.15 and 26,688.10 is: 40,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.10 : 45,864.15 = 26,688.10 : x
  2. Step 2: Convert to fraction form
    30,576.10/45,864.15 = 26,688.10/x
  3. Step 3: Cross multiply
    30,576.10x = 45,864.15 × 26,688.10
  4. Step 4: Simplify right side
    30,576.10x = 1,224,027,021.62
  5. Step 5: Solve for x
    x = 1,224,027,021.62/30,576.10
  6. Step 6: Final answer
    x = 40,032.15

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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.