Home / 45,767.12-68,639.16-14,586.32

Finding the Fourth Proportional to 45,767.12, 68,639.16 and 14,586.32

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Solution

The fourth proportional to 45,767.12, 68,639.16 and 14,586.32 is: 21,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,767.12 : 68,639.16 = 14,586.32 : x
  2. Step 2: Convert to fraction form
    45,767.12/68,639.16 = 14,586.32/x
  3. Step 3: Cross multiply
    45,767.12x = 68,639.16 × 14,586.32
  4. Step 4: Simplify right side
    45,767.12x = 1,001,192,752.29
  5. Step 5: Solve for x
    x = 1,001,192,752.29/45,767.12
  6. Step 6: Final answer
    x = 21,875.81

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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.