Home / 34,670.30-47,829.80-20,322.85

Finding the Fourth Proportional to 34,670.30, 47,829.80 and 20,322.85

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Solution

The fourth proportional to 34,670.30, 47,829.80 and 20,322.85 is: 28,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,670.30 : 47,829.80 = 20,322.85 : x
  2. Step 2: Convert to fraction form
    34,670.30/47,829.80 = 20,322.85/x
  3. Step 3: Cross multiply
    34,670.30x = 47,829.80 × 20,322.85
  4. Step 4: Simplify right side
    34,670.30x = 972,037,782.16
  5. Step 5: Solve for x
    x = 972,037,782.16/34,670.30
  6. Step 6: Final answer
    x = 28,036.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.