Home / 31,505.19-47,267.01-9,319.16

Finding the Fourth Proportional to 31,505.19, 47,267.01 and 9,319.16

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Solution

The fourth proportional to 31,505.19, 47,267.01 and 9,319.16 is: 13,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.19 : 47,267.01 = 9,319.16 : x
  2. Step 2: Convert to fraction form
    31,505.19/47,267.01 = 9,319.16/x
  3. Step 3: Cross multiply
    31,505.19x = 47,267.01 × 9,319.16
  4. Step 4: Simplify right side
    31,505.19x = 440,488,728.22
  5. Step 5: Solve for x
    x = 440,488,728.22/31,505.19
  6. Step 6: Final answer
    x = 13,981.47

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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.