Home / 31,566.40-47,357.54-9,077.12

Finding the Fourth Proportional to 31,566.40, 47,357.54 and 9,077.12

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Solution

The fourth proportional to 31,566.40, 47,357.54 and 9,077.12 is: 13,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.40 : 47,357.54 = 9,077.12 : x
  2. Step 2: Convert to fraction form
    31,566.40/47,357.54 = 9,077.12/x
  3. Step 3: Cross multiply
    31,566.40x = 47,357.54 × 9,077.12
  4. Step 4: Simplify right side
    31,566.40x = 429,870,073.48
  5. Step 5: Solve for x
    x = 429,870,073.48/31,566.40
  6. Step 6: Final answer
    x = 13,617.96

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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.