Home / 31,054.65-42,854.13-16,907.46

Finding the Fourth Proportional to 31,054.65, 42,854.13 and 16,907.46

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Solution

The fourth proportional to 31,054.65, 42,854.13 and 16,907.46 is: 23,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054.65 : 42,854.13 = 16,907.46 : x
  2. Step 2: Convert to fraction form
    31,054.65/42,854.13 = 16,907.46/x
  3. Step 3: Cross multiply
    31,054.65x = 42,854.13 × 16,907.46
  4. Step 4: Simplify right side
    31,054.65x = 724,554,488.81
  5. Step 5: Solve for x
    x = 724,554,488.81/31,054.65
  6. Step 6: Final answer
    x = 23,331.59

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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.