Home / 46,506.76-69,759.98-12,772.81

Finding the Fourth Proportional to 46,506.76, 69,759.98 and 12,772.81

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Solution

The fourth proportional to 46,506.76, 69,759.98 and 12,772.81 is: 19,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,506.76 : 69,759.98 = 12,772.81 : x
  2. Step 2: Convert to fraction form
    46,506.76/69,759.98 = 12,772.81/x
  3. Step 3: Cross multiply
    46,506.76x = 69,759.98 × 12,772.81
  4. Step 4: Simplify right side
    46,506.76x = 891,030,621.34
  5. Step 5: Solve for x
    x = 891,030,621.34/46,506.76
  6. Step 6: Final answer
    x = 19,159.17

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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.