Home / 42,324.08-63,498.54-18,945.32

Finding the Fourth Proportional to 42,324.08, 63,498.54 and 18,945.32

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Solution

The fourth proportional to 42,324.08, 63,498.54 and 18,945.32 is: 28,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,324.08 : 63,498.54 = 18,945.32 : x
  2. Step 2: Convert to fraction form
    42,324.08/63,498.54 = 18,945.32/x
  3. Step 3: Cross multiply
    42,324.08x = 63,498.54 × 18,945.32
  4. Step 4: Simplify right side
    42,324.08x = 1,203,000,159.83
  5. Step 5: Solve for x
    x = 1,203,000,159.83/42,324.08
  6. Step 6: Final answer
    x = 28,423.54

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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.