Home / 42,303.50-63,456.28-14,223.92

Finding the Fourth Proportional to 42,303.50, 63,456.28 and 14,223.92

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Solution

The fourth proportional to 42,303.50, 63,456.28 and 14,223.92 is: 21,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303.50 : 63,456.28 = 14,223.92 : x
  2. Step 2: Convert to fraction form
    42,303.50/63,456.28 = 14,223.92/x
  3. Step 3: Cross multiply
    42,303.50x = 63,456.28 × 14,223.92
  4. Step 4: Simplify right side
    42,303.50x = 902,597,050.22
  5. Step 5: Solve for x
    x = 902,597,050.22/42,303.50
  6. Step 6: Final answer
    x = 21,336.23

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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.