Home / 31,004.01-46,509.12-9,938.79

Finding the Fourth Proportional to 31,004.01, 46,509.12 and 9,938.79

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Solution

The fourth proportional to 31,004.01, 46,509.12 and 9,938.79 is: 14,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,004.01 : 46,509.12 = 9,938.79 : x
  2. Step 2: Convert to fraction form
    31,004.01/46,509.12 = 9,938.79/x
  3. Step 3: Cross multiply
    31,004.01x = 46,509.12 × 9,938.79
  4. Step 4: Simplify right side
    31,004.01x = 462,244,376.76
  5. Step 5: Solve for x
    x = 462,244,376.76/31,004.01
  6. Step 6: Final answer
    x = 14,909.18

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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.