Home / 46,521.20-69,782.60-13,242.12

Finding the Fourth Proportional to 46,521.20, 69,782.60 and 13,242.12

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Solution

The fourth proportional to 46,521.20, 69,782.60 and 13,242.12 is: 19,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,521.20 : 69,782.60 = 13,242.12 : x
  2. Step 2: Convert to fraction form
    46,521.20/69,782.60 = 13,242.12/x
  3. Step 3: Cross multiply
    46,521.20x = 69,782.60 × 13,242.12
  4. Step 4: Simplify right side
    46,521.20x = 924,069,563.11
  5. Step 5: Solve for x
    x = 924,069,563.11/46,521.20
  6. Step 6: Final answer
    x = 19,863.41

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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.