Home / 31,516.80-47,345.60-26,332.80

Finding the Fourth Proportional to 31,516.80, 47,345.60 and 26,332.80

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Solution

The fourth proportional to 31,516.80, 47,345.60 and 26,332.80 is: 39,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.80 : 47,345.60 = 26,332.80 : x
  2. Step 2: Convert to fraction form
    31,516.80/47,345.60 = 26,332.80/x
  3. Step 3: Cross multiply
    31,516.80x = 47,345.60 × 26,332.80
  4. Step 4: Simplify right side
    31,516.80x = 1,246,742,215.68
  5. Step 5: Solve for x
    x = 1,246,742,215.68/31,516.80
  6. Step 6: Final answer
    x = 39,558.02

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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.