Home / 42,558.45-63,751.39-19,730.23

Finding the Fourth Proportional to 42,558.45, 63,751.39 and 19,730.23

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Solution

The fourth proportional to 42,558.45, 63,751.39 and 19,730.23 is: 29,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,558.45 : 63,751.39 = 19,730.23 : x
  2. Step 2: Convert to fraction form
    42,558.45/63,751.39 = 19,730.23/x
  3. Step 3: Cross multiply
    42,558.45x = 63,751.39 × 19,730.23
  4. Step 4: Simplify right side
    42,558.45x = 1,257,829,820.65
  5. Step 5: Solve for x
    x = 1,257,829,820.65/42,558.45
  6. Step 6: Final answer
    x = 29,555.35

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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.