Home / 31,387.65-43,315.71-17,048.01

Finding the Fourth Proportional to 31,387.65, 43,315.71 and 17,048.01

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Solution

The fourth proportional to 31,387.65, 43,315.71 and 17,048.01 is: 23,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,387.65 : 43,315.71 = 17,048.01 : x
  2. Step 2: Convert to fraction form
    31,387.65/43,315.71 = 17,048.01/x
  3. Step 3: Cross multiply
    31,387.65x = 43,315.71 × 17,048.01
  4. Step 4: Simplify right side
    31,387.65x = 738,446,657.24
  5. Step 5: Solve for x
    x = 738,446,657.24/31,387.65
  6. Step 6: Final answer
    x = 23,526.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.