Home / 46,607.28-69,862.92-20,307.12

Finding the Fourth Proportional to 46,607.28, 69,862.92 and 20,307.12

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Solution

The fourth proportional to 46,607.28, 69,862.92 and 20,307.12 is: 30,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,607.28 : 69,862.92 = 20,307.12 : x
  2. Step 2: Convert to fraction form
    46,607.28/69,862.92 = 20,307.12/x
  3. Step 3: Cross multiply
    46,607.28x = 69,862.92 × 20,307.12
  4. Step 4: Simplify right side
    46,607.28x = 1,418,714,699.99
  5. Step 5: Solve for x
    x = 1,418,714,699.99/46,607.28
  6. Step 6: Final answer
    x = 30,439.77

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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.