Home / 31,505.53-47,267.52-9,319.51

Finding the Fourth Proportional to 31,505.53, 47,267.52 and 9,319.51

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Solution

The fourth proportional to 31,505.53, 47,267.52 and 9,319.51 is: 13,981.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.53 : 47,267.52 = 9,319.51 : x
  2. Step 2: Convert to fraction form
    31,505.53/47,267.52 = 9,319.51/x
  3. Step 3: Cross multiply
    31,505.53x = 47,267.52 × 9,319.51
  4. Step 4: Simplify right side
    31,505.53x = 440,509,962.20
  5. Step 5: Solve for x
    x = 440,509,962.20/31,505.53
  6. Step 6: Final answer
    x = 13,981.99

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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.