Home / 31,888.74-44,001.48-18,457.38

Finding the Fourth Proportional to 31,888.74, 44,001.48 and 18,457.38

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Solution

The fourth proportional to 31,888.74, 44,001.48 and 18,457.38 is: 25,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,888.74 : 44,001.48 = 18,457.38 : x
  2. Step 2: Convert to fraction form
    31,888.74/44,001.48 = 18,457.38/x
  3. Step 3: Cross multiply
    31,888.74x = 44,001.48 × 18,457.38
  4. Step 4: Simplify right side
    31,888.74x = 812,152,036.92
  5. Step 5: Solve for x
    x = 812,152,036.92/31,888.74
  6. Step 6: Final answer
    x = 25,468.30

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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.