Home / 31,054.51-42,853.93-16,907.37

Finding the Fourth Proportional to 31,054.51, 42,853.93 and 16,907.37

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Solution

The fourth proportional to 31,054.51, 42,853.93 and 16,907.37 is: 23,331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054.51 : 42,853.93 = 16,907.37 : x
  2. Step 2: Convert to fraction form
    31,054.51/42,853.93 = 16,907.37/x
  3. Step 3: Cross multiply
    31,054.51x = 42,853.93 × 16,907.37
  4. Step 4: Simplify right side
    31,054.51x = 724,547,250.46
  5. Step 5: Solve for x
    x = 724,547,250.46/31,054.51
  6. Step 6: Final answer
    x = 23,331.47

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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.