Home / 42,260.18-63,386.48-12,684.62

Finding the Fourth Proportional to 42,260.18, 63,386.48 and 12,684.62

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Solution

The fourth proportional to 42,260.18, 63,386.48 and 12,684.62 is: 19,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,260.18 : 63,386.48 = 12,684.62 : x
  2. Step 2: Convert to fraction form
    42,260.18/63,386.48 = 12,684.62/x
  3. Step 3: Cross multiply
    42,260.18x = 63,386.48 × 12,684.62
  4. Step 4: Simplify right side
    42,260.18x = 804,033,411.94
  5. Step 5: Solve for x
    x = 804,033,411.94/42,260.18
  6. Step 6: Final answer
    x = 19,025.79

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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.