Home / 30,293.59-41,807.18-18,358.10

Finding the Fourth Proportional to 30,293.59, 41,807.18 and 18,358.10

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Solution

The fourth proportional to 30,293.59, 41,807.18 and 18,358.10 is: 25,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.59 : 41,807.18 = 18,358.10 : x
  2. Step 2: Convert to fraction form
    30,293.59/41,807.18 = 18,358.10/x
  3. Step 3: Cross multiply
    30,293.59x = 41,807.18 × 18,358.10
  4. Step 4: Simplify right side
    30,293.59x = 767,500,391.16
  5. Step 5: Solve for x
    x = 767,500,391.16/30,293.59
  6. Step 6: Final answer
    x = 25,335.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.