Home / 31,985.37-47,986.74-9,798.26

Finding the Fourth Proportional to 31,985.37, 47,986.74 and 9,798.26

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Solution

The fourth proportional to 31,985.37, 47,986.74 and 9,798.26 is: 14,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.37 : 47,986.74 = 9,798.26 : x
  2. Step 2: Convert to fraction form
    31,985.37/47,986.74 = 9,798.26/x
  3. Step 3: Cross multiply
    31,985.37x = 47,986.74 × 9,798.26
  4. Step 4: Simplify right side
    31,985.37x = 470,186,315.14
  5. Step 5: Solve for x
    x = 470,186,315.14/31,985.37
  6. Step 6: Final answer
    x = 14,700.04

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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.