Home / 31,652.08-47,483.40-12,942.16

Finding the Fourth Proportional to 31,652.08, 47,483.40 and 12,942.16

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Solution

The fourth proportional to 31,652.08, 47,483.40 and 12,942.16 is: 19,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,652.08 : 47,483.40 = 12,942.16 : x
  2. Step 2: Convert to fraction form
    31,652.08/47,483.40 = 12,942.16/x
  3. Step 3: Cross multiply
    31,652.08x = 47,483.40 × 12,942.16
  4. Step 4: Simplify right side
    31,652.08x = 614,537,760.14
  5. Step 5: Solve for x
    x = 614,537,760.14/31,652.08
  6. Step 6: Final answer
    x = 19,415.40

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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.