Home / 31,437.68-43,384.32-17,290.40

Finding the Fourth Proportional to 31,437.68, 43,384.32 and 17,290.40

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Solution

The fourth proportional to 31,437.68, 43,384.32 and 17,290.40 is: 23,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.68 : 43,384.32 = 17,290.40 : x
  2. Step 2: Convert to fraction form
    31,437.68/43,384.32 = 17,290.40/x
  3. Step 3: Cross multiply
    31,437.68x = 43,384.32 × 17,290.40
  4. Step 4: Simplify right side
    31,437.68x = 750,132,246.53
  5. Step 5: Solve for x
    x = 750,132,246.53/31,437.68
  6. Step 6: Final answer
    x = 23,860.93

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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.