Home / 30,473.12-45,715.40-13,834.32

Finding the Fourth Proportional to 30,473.12, 45,715.40 and 13,834.32

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Solution

The fourth proportional to 30,473.12, 45,715.40 and 13,834.32 is: 20,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.12 : 45,715.40 = 13,834.32 : x
  2. Step 2: Convert to fraction form
    30,473.12/45,715.40 = 13,834.32/x
  3. Step 3: Cross multiply
    30,473.12x = 45,715.40 × 13,834.32
  4. Step 4: Simplify right side
    30,473.12x = 632,441,403.36
  5. Step 5: Solve for x
    x = 632,441,403.36/30,473.12
  6. Step 6: Final answer
    x = 20,754.08

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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.