Home / 31,967.08-47,948.87-9,780.45

Finding the Fourth Proportional to 31,967.08, 47,948.87 and 9,780.45

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Solution

The fourth proportional to 31,967.08, 47,948.87 and 9,780.45 is: 14,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,967.08 : 47,948.87 = 9,780.45 : x
  2. Step 2: Convert to fraction form
    31,967.08/47,948.87 = 9,780.45/x
  3. Step 3: Cross multiply
    31,967.08x = 47,948.87 × 9,780.45
  4. Step 4: Simplify right side
    31,967.08x = 468,961,525.59
  5. Step 5: Solve for x
    x = 468,961,525.59/31,967.08
  6. Step 6: Final answer
    x = 14,670.14

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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.