Home / 63,440.19-87,543.68-35,143.83

Finding the Fourth Proportional to 63,440.19, 87,543.68 and 35,143.83

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Solution

The fourth proportional to 63,440.19, 87,543.68 and 35,143.83 is: 48,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,440.19 : 87,543.68 = 35,143.83 : x
  2. Step 2: Convert to fraction form
    63,440.19/87,543.68 = 35,143.83/x
  3. Step 3: Cross multiply
    63,440.19x = 87,543.68 × 35,143.83
  4. Step 4: Simplify right side
    63,440.19x = 3,076,620,031.78
  5. Step 5: Solve for x
    x = 3,076,620,031.78/63,440.19
  6. Step 6: Final answer
    x = 48,496.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.