Home / 42,152.29-63,228.43-12,590.88

Finding the Fourth Proportional to 42,152.29, 63,228.43 and 12,590.88

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Solution

The fourth proportional to 42,152.29, 63,228.43 and 12,590.88 is: 18,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,152.29 : 63,228.43 = 12,590.88 : x
  2. Step 2: Convert to fraction form
    42,152.29/63,228.43 = 12,590.88/x
  3. Step 3: Cross multiply
    42,152.29x = 63,228.43 × 12,590.88
  4. Step 4: Simplify right side
    42,152.29x = 796,101,574.72
  5. Step 5: Solve for x
    x = 796,101,574.72/42,152.29
  6. Step 6: Final answer
    x = 18,886.32

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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.