Home / 31,281.39-46,907.91-19,434.74

Finding the Fourth Proportional to 31,281.39, 46,907.91 and 19,434.74

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Solution

The fourth proportional to 31,281.39, 46,907.91 and 19,434.74 is: 29,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.39 : 46,907.91 = 19,434.74 : x
  2. Step 2: Convert to fraction form
    31,281.39/46,907.91 = 19,434.74/x
  3. Step 3: Cross multiply
    31,281.39x = 46,907.91 × 19,434.74
  4. Step 4: Simplify right side
    31,281.39x = 911,642,800.25
  5. Step 5: Solve for x
    x = 911,642,800.25/31,281.39
  6. Step 6: Final answer
    x = 29,143.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.