Home / 30,148.34-45,252.90-26,661.28

Finding the Fourth Proportional to 30,148.34, 45,252.90 and 26,661.28

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Solution

The fourth proportional to 30,148.34, 45,252.90 and 26,661.28 is: 40,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.34 : 45,252.90 = 26,661.28 : x
  2. Step 2: Convert to fraction form
    30,148.34/45,252.90 = 26,661.28/x
  3. Step 3: Cross multiply
    30,148.34x = 45,252.90 × 26,661.28
  4. Step 4: Simplify right side
    30,148.34x = 1,206,500,237.71
  5. Step 5: Solve for x
    x = 1,206,500,237.71/30,148.34
  6. Step 6: Final answer
    x = 40,018.79

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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.