Home / 46,619.40-69,929.10-45,647.40

Finding the Fourth Proportional to 46,619.40, 69,929.10 and 45,647.40

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Solution

The fourth proportional to 46,619.40, 69,929.10 and 45,647.40 is: 68,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,619.40 : 69,929.10 = 45,647.40 : x
  2. Step 2: Convert to fraction form
    46,619.40/69,929.10 = 45,647.40/x
  3. Step 3: Cross multiply
    46,619.40x = 69,929.10 × 45,647.40
  4. Step 4: Simplify right side
    46,619.40x = 3,192,081,599.34
  5. Step 5: Solve for x
    x = 3,192,081,599.34/46,619.40
  6. Step 6: Final answer
    x = 68,471.10

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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.