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Finding the Fourth Proportional to 46,953.50, 70,432.81 and 11,893.46

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Solution

The fourth proportional to 46,953.50, 70,432.81 and 11,893.46 is: 17,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,953.50 : 70,432.81 = 11,893.46 : x
  2. Step 2: Convert to fraction form
    46,953.50/70,432.81 = 11,893.46/x
  3. Step 3: Cross multiply
    46,953.50x = 70,432.81 × 11,893.46
  4. Step 4: Simplify right side
    46,953.50x = 837,689,426.52
  5. Step 5: Solve for x
    x = 837,689,426.52/46,953.50
  6. Step 6: Final answer
    x = 17,840.83

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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.