Home / 31,631.49-47,417.90-14,999.31

Finding the Fourth Proportional to 31,631.49, 47,417.90 and 14,999.31

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Solution

The fourth proportional to 31,631.49, 47,417.90 and 14,999.31 is: 22,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,631.49 : 47,417.90 = 14,999.31 : x
  2. Step 2: Convert to fraction form
    31,631.49/47,417.90 = 14,999.31/x
  3. Step 3: Cross multiply
    31,631.49x = 47,417.90 × 14,999.31
  4. Step 4: Simplify right side
    31,631.49x = 711,235,706.65
  5. Step 5: Solve for x
    x = 711,235,706.65/31,631.49
  6. Step 6: Final answer
    x = 22,485.05

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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.