Home / 31,011.48-46,529.64-11,291.40

Finding the Fourth Proportional to 31,011.48, 46,529.64 and 11,291.40

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Solution

The fourth proportional to 31,011.48, 46,529.64 and 11,291.40 is: 16,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011.48 : 46,529.64 = 11,291.40 : x
  2. Step 2: Convert to fraction form
    31,011.48/46,529.64 = 11,291.40/x
  3. Step 3: Cross multiply
    31,011.48x = 46,529.64 × 11,291.40
  4. Step 4: Simplify right side
    31,011.48x = 525,384,777.10
  5. Step 5: Solve for x
    x = 525,384,777.10/31,011.48
  6. Step 6: Final answer
    x = 16,941.62

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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.