Home / 31,000.90-46,501.35-18,559.30

Finding the Fourth Proportional to 31,000.90, 46,501.35 and 18,559.30

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Solution

The fourth proportional to 31,000.90, 46,501.35 and 18,559.30 is: 27,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,000.90 : 46,501.35 = 18,559.30 : x
  2. Step 2: Convert to fraction form
    31,000.90/46,501.35 = 18,559.30/x
  3. Step 3: Cross multiply
    31,000.90x = 46,501.35 × 18,559.30
  4. Step 4: Simplify right side
    31,000.90x = 863,032,505.06
  5. Step 5: Solve for x
    x = 863,032,505.06/31,000.90
  6. Step 6: Final answer
    x = 27,838.95

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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.