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Finding the Fourth Proportional to 46,823.92, 70,239.12 and 15,655.12

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Solution

The fourth proportional to 46,823.92, 70,239.12 and 15,655.12 is: 23,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,823.92 : 70,239.12 = 15,655.12 : x
  2. Step 2: Convert to fraction form
    46,823.92/70,239.12 = 15,655.12/x
  3. Step 3: Cross multiply
    46,823.92x = 70,239.12 × 15,655.12
  4. Step 4: Simplify right side
    46,823.92x = 1,099,601,852.29
  5. Step 5: Solve for x
    x = 1,099,601,852.29/46,823.92
  6. Step 6: Final answer
    x = 23,483.76

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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.