Home / 39,011.64-58,516.80-9,429.24

Finding the Fourth Proportional to 39,011.64, 58,516.80 and 9,429.24

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Solution

The fourth proportional to 39,011.64, 58,516.80 and 9,429.24 is: 14,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011.64 : 58,516.80 = 9,429.24 : x
  2. Step 2: Convert to fraction form
    39,011.64/58,516.80 = 9,429.24/x
  3. Step 3: Cross multiply
    39,011.64x = 58,516.80 × 9,429.24
  4. Step 4: Simplify right side
    39,011.64x = 551,768,951.23
  5. Step 5: Solve for x
    x = 551,768,951.23/39,011.64
  6. Step 6: Final answer
    x = 14,143.70

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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.